ASTM F1158-94(2001)

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Designation:F1158–94 (Reapproved 2001)
Standard Guide for
Inspection and Evaluation of Tampering of Security Seals
This standard is issued under the fixed designation F 1158; 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 4.2 This standard presents guidelines for inspection to assist
in determining whether an attempt to defeat a security seal, and
1.1 This guide covers procedures for the inspection and
to possibly reapply the seal, has been made. In all cases, the
evaluation of tampering of security seals.
guidelines are meant to focus attention on signs of attack and
1.2 A security seal is a device intended to detect tampering
reapplication.
or entry. Evaluate only single use locking devices under this
guide. The following procedures shall serve as guidelines for
5. Seal Classification
detectingattemptsatdefeatandreapplicationofasecurityseal.
5.1 General—For the purpose of comparing seal physical
1.3 This guide is not intended to be fully comprehensive;
properties, seal classes are grouped according to the following
certain types of security seals, such as labels, have not been
description of applicable seals:
addressed to date. Further, it is the responsibility of users of
5.2 Groups:
this guide to interpret their specific security needs concerning
5.2.1 Group 1—Flexible cable and wire seals.
the use of seals, and to determine the grade of seal appropriate
5.2.2 Group 2—Strap, cinch seals.
for their particular application.ASTM assumes no responsibil-
5.2.3 Group 3—Rigid bolt and rod seals, including heavy
ity for losses occurring as a result of a defeated seal.
duty metal padlock type.
2. Referenced Documents 5.2.4 Group 4—Twisted rod or wire seals (pigtail).
2 5.2.5 Group 5—Padlock type seals, scored seals, metal, or
2.1 ASTM Standards:
plastic base.
F 832 Classification for Security Seals
5.2.6 Group 6—Fiber optic seals.
F 883 Performance Specification for Padlocks
F 946 Guide for Establishing Security Seal Control and
6. Guidelines for Inspection and Evaluation of
Accountability Procedures
Tampering
3. Teminology 6.1 Group 1 Seals (Cable and Wire Seals)—Inspect for a
frayed appearance at the point where the main length of cable
3.1 Definition:
or wire meets the locking portion of the seal. Usually under
3.1.1 seal—a passive, one-time locking device used to
compression, if this region of the seal has been twisted free of
detect tampering or entry, afford limited resistance (to entry) or
its retaining junction at the locking point, it may provide visual
provide a combination of both functional aspects.
indication that the uniform pattern of material has been
4. Significance and Use
disturbed. The attempt at reinsertion of the cable into the
lockingmechanism,ifsuccessful,mayalsobedetectedbyeasy
4.1 If a seal can be opened by any means and successfully
withdrawal of the cable by hand at time of inspection.
reapplied without exhibiting signs indicative of prior attack,
6.2 Group 2 Seals (Strap, Cinch, or Nonscored Seals)—
the integral quality of the seal is in serious question.This guide
Inspect to reveal scratches or nicks adjacent to the locking
allows that any particular method of attempted defeat can be
mechanism of the seal. Deformation of the locking mechanism
employed to defeat a seal, and concentrates not on the
by forcible expansion of the lock point will be readily visible
effectiveness of the seal to resist that attack, but rather on the
if the attack involved such manipulation. As with the Group 1
nature of the individual seal to inhibit reapplication.
seals, pulling on the seal by hand m
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