Part Number
Definition:
A METALLIC OR NONMETALLIC ITEM OF VARIOUS PERIPHERAL SHAPES AND A SOLID CROSS-SECTION. IT IS DESIGNED TO MAINTAIN A PREDETERMINED DISTANCE BETWEEN TWO SURFACES. IT MAY HAVE FLAT PARALLEL BEARING SURFACES. DO NOT USE IF A MORE SPECIFIC NAME APPLIES. SEE ALSO SPACER, RING; SPACER, PLATE; SPACER, SLEEVE; SPACER, STEPPED; SHIM AND WASHER, FLAT.
CAGE Information
| Code | Company |
|---|---|
| 53711 | NAVAL SEA SYSTEMS COMMAND |
Federal Supply Class
Title
BUSHINGS, RINGS, SHIMS, AND SPAC
Inclusions:
INCLUDES EXTERNALLY THREADED RINGS; KEYED AND SERRATED LOCK RINGS; DEE RINGS; INSTRUMENT RETAINING RINGS; SHIM SETS AND ASSORTMENTS; PLATE SPACERS; RING SPACERS; SLEEVE SPACERS; STEPPED SPACERS; SPACER SETS AND ASSORTMENTS; SLEEVE BUSHINGS; MACHINE THREADED BUSHINGS; MACHINE THREADED PLUGS.
Exclusions:
EXCLUDES SLEEVE BEARINGS (FSC 3120); PIPE THREADED PLUGS (FSC 4730); PISTON RINGS (FSC 2520, 2805, 2810, 2815, 2825, 2990, 3040, 4310, AND 4820); RETAINING RINGS (FSC 5325); SHIM STOCK (FSC 9515).
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| MATT | MATERIAL | ALUMINUM ALLOY 6061 |
| AARX | INSIDE DIAMETER | 2.031 INCHES NOMINAL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-5541, CLASS 3 MIL SPEC SINGLE TREATMENT RESPONSE |
| SFTT | SURFACE TREATMENT | CHROMATE |
| FEAT | SPECIAL FEATURES | FIVE BOLT HOLES, 1 HOLE - DIAMETER MIN 0.279 MAX 0.289, 4 HOLES DIAMETER MIN 0.192 AND MAX 0.202 |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | UNS96061 NATIONAL SPEC SINGLE MATERIAL RESPONSE |
| ADUM | OVERALL THICKNESS | 0.175 INCHES MINIMUM AND 0.205 INCHES MAXIMUM |