ASTM F1789-09a

NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
Contact ASTM International (www.astm.org) for the latest information.
Designation:F1789–09a
Standard Terminology for
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F16 Mechanical Fasteners
This standard is issued under the fixed designation F1789; 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 ISO/IEC 17011 Conformity assessment -- General require-
ments for accreditation bodies accrediting conformity
1.1 This terminology standard provides a compilation of
assessment bodies
definitions for terminology used for mechanical fasteners.
ISO/IEC 17025 General requirements for the competence
1.2 Terms in this terminology are organized alphabetically.
of testing and calibration laboratories
In Appendix X1 they are listed under fastener characteristic.
1.3 Additional definitions are shown in ANSI/ASME
3. Mechanical Fastener Definitions
B18.12; IFI Glossary of Terms, IFI-139 and IFI-140; and
SAE J412. acceptance number—numerical value representing the maxi-
mum number of permissible non-conformances within a
2. Referenced Documents
sample submitted for testing and acceptance of the popula-
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2.1 ASTM Standards: tion.
A563 Specification for Carbon and Alloy Steel Nuts accredited laboratory—an organization found to be operating
E456 Terminology Relating to Quality and Statistics in conformance with the requirements of ISO/IEC 17025 by
F2428 GuideforSelectionandUseforPelvicRingCircum- an accrediting body that has been found to be compliant to
ferential Compression Stabilization Devices (PRCCSD) ISO/IEC 17011, and is recognized as a signatory to the
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2.2 ANSI/ASME Standard: International Laboratory Accreditation Cooperation (ILAC)
B18.12 Glossary of Terms for Mechanical Fasteners Mutual Recognition Arrangement (MRA).
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2.3 IFI Standards: age hardened—precipitation of constituents within certain
Glossary of Terms Relating to Aerospace Fasteners alloy metals to increase mechanical properties.
IFI-139 Quality Assurance Requirements for Fastener Test- alloy group—materials grouped by their chemical designation
ing Laboratories and considered to be functionally or chemically similar for
IFI-140 Carbon and Alloy Steel Wire, Rods, and Bars for general purpose use.
Mechanical Fasteners alloy steel—steel is considered to be alloy when the maximum
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2.4 SAE Standard: range given for manganese exceeds 1.65 % or a definite
SAE J412 General Characteristics and Heat Treatments of minimum quantity for any of the following elements is
Steels specified or required within the limits of the recognized field
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2.5 ISO/IEC Standards: of constructional alloy steels: chromium, molybdenum,
nickel, or any other alloying element added to obtain a
desired alloying effect.
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This terminology is under the jurisdiction of ASTM Committee F16 on
alter—to change fastener properties such as hardness, tensile
Fasteners and is the direct responsibility of Subcommittee F16.94 on Terminology.
strength, surface finish, length, or other characteristics of the
Current edition approved Nov. 1, 2009. Published December 2009. Originally
approved in 1997. Last previous edition approved in 2009 as F1789 – 09. DOI:
fastener through such processes as heat treatment, plating,
10.1520/F1789-09A.
and machining.
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For referenced ASTM standards, visit the ASTM website, www.astm.org, or
alteration
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 insignificant alteration—any change to the fastener from its
the ASTM website.
purchased condition that results in no diminished or modi-
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Available fromAmerican National Standards Institute (ANSI), 25 W. 43rd St.,
fied mechanical, metallurgical, or functional properties.
4th Floor, New York, NY 10036, http://www.ansi.org.
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significant alteration—any change to the fastener from its as
Available from Industrial Fasteners Institute, 1717 E. 9th Street, Suite 1105,
Cleveland, OH 44114.
purchased condition that results in modified mechanical,
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Available from Society of Automotive Engineers (SAE), 400 Commonwealth
metallurgical, or functional properties.
Dr., Warrendale, PA 15096-0001, http://www.sae.org.
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Available from International Organization for Standardization (ISO), 1, ch. de
la Voie-Creuse, Case postale 56, CH-1211, Geneva 20, Switzerland, http://
www.iso.ch.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
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F1789–09a
alteration distributor—distributor of fasteners who alters a pearlite for a long time just below the lower critical
fastener prior to sale and assumes the full responsibilities of temper
...