scope:

This specification establishes the requirements for the manufacture, physical performance, and acceptance of mooring chain assemblies. Mooring chain assemblies are to be subjected to long term submergence in seawater and may also be subjected to open storage in a marine environment.

Fleet mooring chain assemblies, unless otherwise specified, are classified and identified by a Part Identifying Number (PIN) as follows:

Mooring Chain Assembly: PIN Group I - Chain Type 1 - Chain link with studs modified to accept cathodic protection. I-1 Type 2 - Chain link with studs not modified for cathodic protection. I-2 Group II - Shackle Type 1 - Swivel shackle. II-1 Type 2 - Plate sinker shackle. II-2 Type 3 - Anchor shackle. II-3

Beneficial comments (recommendations, additions, deletions) and any pertinent data which may be of use in improving this document should be addressed to: Commanding Officer (Code 156), Naval Construction Battalion Center, Port Hueneme, CA 93043-5000, by using the self-addressed Standardization Document Improvement Proposal (DD Form 1426) appearing at the end of this document or by letter.

Type 4 - Joining shackle. II-4 Type 5 - Buoy shackle. II-5 Group III - Links Type 1 - Chain joining link. III-1 Type 2 - Pear link. III-2 Type 3 - Anchor joining link. III-3 Type 4 - End link. III-4 Group IV - Miscellaneous Type 1 - Ground ring. IV-1 Type 2 - Spider plate. IV-2

A PIN has been established (see 1.2.1 and 6.2.1).

Definitions of terms applicable to this specification can be found in section 6.3.

intended Use: