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that may improve this document should be sent to: STDZNMGT@dla.mil or Defense
Logistics Agency Aviation VEB, 8000 Jefferson Davis Highway, Richmond, VA 23297-5616.
Since contact information can change, you may want to verify the currency of this address
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AMSC N/A FSC 4010
INCH-POUND
RR-C-271E
23 December 2010
SUPERSEDING
RR-C-271D
25 September 1990
FEDERAL SPECIFICATION
CHAINS AND ATTACHMENTS, WELDED
AND WELDLESS
The General Services Administration has authorized the use of this federal specification
by all federal agencies.
1. SCOPE AND CLASSIFICATION
1.1 Scope. This specification covers welded and weldless chain of commercial quality together
with sundry attachments most commonly used with this chain.
1.1.1 Federal specification coverage. Federal specifications do not include all types, grades,
classes, and styles of the commodities indicated by the title of the specification, or which are
commercially available, but are intended to cover the types that are suitable for Federal
Government requirements.
1.2 Classification. The welded and weldless chain and attachments are of the following types,
classes, and styles as specified below (see 6.2).
1.2.1 Chain types. The types, classes, and styles of welded and weldless chain are as follows:
Type I - Chain, welded steel
Class 1 - Alloy chain (overhead lift)
Class 2 - High-test chain
Class 4 - Proof-coil chain
Class 5 - Twist-link chain
Style 1 - Long-link pattern (coil)
Style 2 - Short-link pattern (machine)
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