ASTM E2462-05

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Designation: E2462 – 05
Standard Performance Specification for
Cargo Bed Cover (CBC) HMMWV, Type I
This standard is issued under the fixed designation E2462; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope ment, General Requirements for
2.4 Federal Standard:
1.1 Scope—This specification covers the performance re-
FED-STD-595 Colors Used in Government Procurement
quirements for the Type I Cargo Bed Cover (CBC). The Type
2.5 Military Standards:
I Cargo Bed Cover is a removable general purpose rigid
MIL-STD-129 Military Marking For Shipment and Storage
enclosure for the cargo bed of the M1037, M1042, M1097, and
MIL-STD-209 Interface Standard for Lifting and Tie-down
M1113 High-Mobility Multipurpose Wheeled Vehicle (HM-
Provisions
MWV). The Type I CBC provides environmental protection
MIL-STD-810 Environmental Engineering Considerations
and security for mission equipment and items of general
and Laboratory Tests
transport.
MIL-STD-913 Requirements for the Certification of Sling
1.2 The values stated in inch-pound units are to be regarded
Loaded Military Equipment for External Transportation
as the standard. The values given in parenthesis are for
by Department of Defense Helicopters
information only.
MIL-STD-1366 Transportability Criteria
1.3 The following safety hazards caveat pertains only to the
MIL-PRF-22750 Coating, Epoxy, High Solids
test required portion, Section 4, of this specification. This
MIL-C-46168 Coating, Aliphatic Polyurethane, Chemical
standard does not purport to address all of the safety concerns,
Agent Resistant
if any, associated with its use. It is the responsibility of the user
MIL-C-53039 Coating, Aliphatic Polyurethane, Single
of this standard to establish appropriate safety and health
Component, Chemical Agent Resistant
practices and determine the applicability of regulatory limita-
MIL-DTL-53072 Chemical Agent Resistant Coating
tions prior to use.
(CARC)SystemApplicationProceduresandQualityCon-
2. Referenced Documents
trol Inspection
2.6 Military Handbook:
2.1 ASTM Standards:
MIL-HDBK-1791 Designing for InternalAerial Delivery in
E1925 SpecificationforEngineeringandDesignCriteriafor
Fixed Winged Aircraft
Rigid Wall Relocatable Structures
2.7 The American Conference of Governmental Industrial
2.2 Army Standards:
Hygienists (ACGIH):
ARMYTM9-2320-280-10 HMMWV’SOperator’sManual
ACGIH Threshold Limit Values
ARMY TM 10-5411-231-13&P Technical Manual
2.8 Drawings:
2.3 Commercial Standards:
81337-103984 Cargo Bed Cover, Type I (1 ⁄4 Ton HM-
ANSI/ASQC Z1.4-2003 Sampling Procedures and Tables
MWV)
for Inspection by Attributes
81337-103984-101 Cargo Bed Cover, Type I (1 ⁄4 Ton
SAE AS8090 Mobility, Towed Aerospace Ground Equip-
HMMWV), Camouflage
3. General Requirements
This specification is under the jurisdiction of ASTM Committee E06 on
Performance of Buildings and is the direct responsibility of Subcommittee E06.53
3.1 Alternate Components and Construction—The interface
on Materials and Processes for Durable Rigidwall Relocatable Structures.
drawings referenced herein specify the use of specific compo-
Current edition approved Oct. 1, 2005. Published October 2005. DOI: 10.1520/
E2462-05. nents and construction of previously produced CBCs. Specific
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
Standards volume information, refer to the standard’s Document Summary page on
the ASTM website. Available from Society of Automotive Engineers (SAE), 400 Commonwealth
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E2462 – 05
materials, components and construction methods shall be 3.2.7 Workmanship—The Type I CBC, including all parts
considered for reference only. Dimensional characteristics and accessories shall be constructed and finished in a work-
specified in the interface drawings that are required for spare
manlike manner with particular attention given to removal of
partinterchangeabilityandforoperationandinteroperabilityof
burrs and sharp edges, accuracy of dimensions, welding,
the CBC with the vehicle shall be adhered to. When this
painting, alignment of parts and assemblies, and the tightness
specification or the referenced drawings specify use of a
of screws, bolts, and so forth. Cloth components shall be clean
specific component, the contractor may substitute a component
and free of holes, cuts, or tears. All components shall be
equal to the specified component provided that the contractor
properly adjusted before the Type I CBC is prepared for
complies with the performance requirements specified herein.
delivery to the purchaser.
3.2 Design and Construction Requirements—Design and
3.3 Components—Components shall meet the following
construction of the Type I CBC shall meet all physical and
performance requirements.
environmental requirements herein and shall conform to the
3.3.1 Personnel Door—The Type I CBC shall be equipped
interface and interoperability requirements specified on the
with a personnel door as specified on the drawings. The door
drawings, all subsidiary drawings, and parts lists.
shall not interfere with the operation of the rear whip antennae
3.2.1 Dimensions, Weight and Payload—The Type I CBC
located on the HMMWV’s rear fenders. A door stop, for
shall conform to the interface and interoperability dimensions
securing the personnel door in its fully opened position, shall
ofinterfacedrawing81337-103984.TheTypeICBCincluding
be provided. In its closed position the personnel door shall
its mounting hardware, shall weigh no more than 450 lbs. The
prevent the intrusion of driven rain and dust and shall provide
Type I CBC shall be capable of carrying 500 lbs of payload
blackout protection.
mounted to it’s interior payload provisions (see 3.4.2).
3.3.1.1 Door Handle—The personnel door shall be
3.2.2 Tailgate Operation—The Type I CBC, when mounted
equipped with a door handle that provides positive closure.
onitscarrier,shallnotinhibitoperationofthecarrier’stailgate.
From either side, the door handle shall be capable of being
3.2.3 Blackout—The Type I CBC/carrier combination, with
moved to its opened or closed position with a maximum force
the personnel door and ports closed, shall not permit a light
of10lbappliedtothedoorhandle.Thepersonneldoorshallbe
source from within to emit detectable amounts of light.
capable of being padlocked from the outside securing the Type
3.2.4 Parts Interchangeability—The spare parts of the CBC
I CBC from the exterior.
produced under this specification shall be functionally and
3.3.1.2 Secondary Exit—Asecondary exit shall be provided
dimensionally interchageable with parts specified below with-
within the personnel door. The secondary exit shall be as
out modification or rework of the part or assembly.
specified on drawings. The secondary exit shall be capable of
NSN Part Number Description
being opened with a maximum force of 10 lb applied to the
1005-01-044-4555 700272 Handle, Chest
5410-00-984-5065 104055 Step, Folding
release mechanism from inside of theType I CBC with: (1) the
5411-01-481-5892 104050 Ventilator, 2 Way
tailgate closed and the personnel door locked (2) the tailgate
2510-01-481-6056 104002 Door, Cab Access
closed and the personnel door unlocked and (3) the tailgate
5340-00-302-1840 104054 Holder, Door
5340-01-481-6506 104053 Lock, Door, 3 Point
open and the personnel door locked. With the personnel door
5340-01-481-6503 104052 Lock, Door, 2 Point
locked,thesecondaryexitshallnotbecapableofbeingopened
2510-01-481-6049 103990 Panel, Door, Lower
2510-01-481-6054 103989 Panel, Door, Upper from outside theType I CBC.The secondary exit shall provide
5440-01-481-6010 104049 Ladder, 24 in.
unobstructed egress for military personnel.
Not available 103999-1 Panel Assembly, Storage Access
3.3.2 Ladder—Aladder shall be provided that is capable of
Not available 103999-3 Panel Assembly, Storage Access
supportingatleast400lbappliedtoanyindividualstepwithout
3.2.5 Mounting—The Type I CBC shall be capable of
damageordegradationtothetypeICBC,carrierorladder.The
multiple mounting and dismounting cycles from its carrier, in
ladder shall be capable of supporting at least 400 lb applied to
accordance with its technical manual, without damage or
any individual step without damage or degradation to the Type
degradationtoeithertheTypeICBC,itscarrieroritsmounting
I CBC, carrier or ladder. The Type I CBC shall have a stowage
provisions and hardware.Any hardware required for mounting
location for the ladder capable of securely retaining the ladder
the CBC to the HMMWVshall be provided as part of theType
in all transportation modes without impeding any operations of
I CBC. Mounting and dismounting shall be accomplished
the Type I CBC or its carrier.
using only those tools of the Basic Issue Items (BII) and the
3.3.3 Roof Access Steps/Handholds—Roof access steps/
Additional Authorization List (AAL) as described in the
handholds shall be provided in locations specified on the
HMMWV’S Operator’s Manual, ARMY TM 9-2320-280-10.
drawings for safe access from the ground to and from the roof
3.2.6 Toxicity—Materialsusedshallcausenoskinirritations
when the Type I CBC is mounted on its carrier. Each roof
or other injuries and produce no vapor hazards, including the
access step/handhold shall be capable of supporting 400 lb
emission of toxic or noxious odors, to personnel, in or around
without damage or degradation to either theType I CBC or the
the Type I CBC, under all environmental conditions. Exposure
roof access step/handhold.
of personnel to toxic substances shall not be in excess of the
threshold values contained in the American Conference of 3.3.4 Power and Signal Access Ports—Two ports shall be
provided in the front wall to permit the pass through of power
Government Industrial Hygienists (ACGIH) Threshold Limit
Values. and signal lines from the cab to the Type I CBC enclosed area.
E2462 – 05
The power and signal access ports shall have provisions to Door open to 90 degrees. The Personnel Door shall operate
prevent the intrusion of driven rain and dust and have provi- freely after application of the load.
sions for blackout. 3.4.3.2 Door Stop—The Personnel Door, including its
frame(s) and hardware, shall withstand a wind gust of 60 mph
3.3.5 Vents—TheType I CBC shall include 2 vents for fresh
in any direction when the door is secured by its door stop.
air ventilation as specified on the drawings. The vents shall
3.4.4 Surface Impact Resistance—The exterior surface of
prevent intrusion of driven rain and have provisions for
the Type I CBC’s roof shall be capable of withstanding a blow
blackout. Vents shall be capable of providing ventilation when
from a 30 lb steel cylinder, 3 inches in diameter with a
the vehicle is both stationary and on the move. The interior
hemispherical end, dropped from a height of 30 in., without
surface of the door shall have a warning in at least 1 ⁄2-in. high
structural degradation.All other exterior wall surfaces shall be
letters contrasting the color of the door. The warning shall say
capable of withstanding a blow from the same steel cylinder,
“Warning: Suffocation hazard door must remain open while
droppedfromaheightof16in.,withoutstructuraldegradation.
occupied.”
3.5 Transportability—The Type I CBC/carrier combination
3.3.6 Cab Access Port—TheType I CBC, while mounted to
shall be capable of meeting the requirements for transport in
the HMMWV, shall provide access for military personnel
the following modes:
between the driver’s compartment and theType I CBC without
3.5.1 Rail—The Type I CBC/carrier combination with pay-
adversely affecting vehicle operations. The port opening shall
load shall: (1) meet the Gabarit International de Chargement
be a minimum of 34.00 in. wide by 29.00 in. high. The port
(GIC) equipment gauge envelope as defined in interface
shall have a cover (door) centrally located on the front wall of
standard MIL-STD-1366, and (2) be capable of withstanding
the Type I CBC. The port shall be located as low as possible
multiple rail impacts without damage or degradation to either
without compromising the structural integrity of the Type I
the Type I CBC or its carrier and without damage to the
CBC. The port shall permit access through the port without
tiedown cables, or blocking or bracing.
interference with the HMMWV’s “B” pillar. The access port
3.5.2 Fixed Wing—The Type I CBC/carrier combination
cover (door) shall not open into the cab of the HMMWV and,
shall be transportable in C-130 and larger Air Mobility Com-
in the open position, shall take up as little room as practicable.
mand(AMC)aircraft.Thecombinationshallalsobecapableof
The cover (door) shall be capable of being opened from both
roll-on/roll-off loading at ramp angles of 15 degrees on the
the interior and exterior of the Type I CBC by applying no
C-130 and larger AMC aircraft without special handling
more than 10 lb of force and shall be capable of being locked
procedures or equipment.
from the interior.
3.5.3 Helicopter Sling Load (HSL)—The Type I CBC
3.4 Structural Requirements:
mounted on its carrier , in all its payload configurations, shall
3.4.1 Roof Loads—TheType I CBC roof shall be capable of
be capable of being externally transported by CH-47 or larger
supporting, without structural damage, degradation or perma-
rotary wing aircraft in the single point, dual point and tandem
nent deformation: (1) a uniformly distributed load of 40 lb/ft
configurations without damage or degradation to either the
over the entire surface and (2) a concentrated load of 660 lb
Type I CBC or the HMMWV. The M998 series HMMWV’s
overa1by2ft area applied anywhere on the roof.
shall be equipped with a rear bumper (that is, airlift crossmem-
3.4.2 Interior Payload Provisions—The Type I CBC shall
ber). The Type I CBC/carrier combination shall be structurally
be capable of accepting threaded fasteners such as rivnuts and
capable of meeting the requirements of interfac
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