Beneficial comments, recommendations, additions, deletions, clarifications, etc. and any data
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
information using the ASSIST database at https://assist.daps.dla.mil/.
AMSC N/A FSC 4010
INCH-POUND
RR-C-271F
5 July 2011
SUPERSEDING
RR-C-271E
23 December 2010
FEDERAL SPECIFICATION
CHAINS AND ATTACHMENTS,
CARBON AND ALLOY STEEL
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 carbon and alloy steel chain of commercial quality
together with the 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.
1.2.1 Chain types
. The types, classes, and styles of welded and weldless chain are as follows
(see 6.2):
Type I - Chain, welded steel
Class 1 - Alloy chain (overhead lift)
Class 2 - High-test chain
Class 3 - Transport chain
Class 4 - Proof-coil chain
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