Part Number
Definition:
A METALLIC OR NONMETALLIC ITEM OF VARIOUS PERIPHERAL SHAPES, HAVING A SOLID ANGULAR CROSS-SECTION. IT IS DESIGNED TO MAINTAIN A PREDETERMINED DISTANCE BETWEEN TWO SURFACES. IT MUST HAVE ONLY ONE TAPERED SURFACE. FOR ITEMS WITH TWO TAPERED SURFACES, SEE WEDGE (AS MODIFIED).
CAGE Information
| Code | Company |
|---|---|
| 98897 | LOCKHEED MARTIN CORPORATION DBA LOCK |
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 |
|---|---|---|
| ADVN | CROSS-SECTIONAL HEIGHT | 0.067 INCHES MINIMUM AND 0.077 INCHES MAXIMUM |
| ABMK | OVERALL WIDTH | 0.595 INCHES MINIMUM AND 0.655 INCHES MAXIMUM |
| ABHP | OVERALL LENGTH | 3.969 INCHES MINIMUM AND 4.031 INCHES MAXIMUM |
| ADWK | MINOR HEIGHT | 0.005 INCHES MINIMUM AND 0.015 INCHES MAXIMUM |
| STYL | STYLE DESIGNATOR | RECTANGULAR |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-5541 MIL SPEC 2ND TREATMENT RESPONSE AND MIL-A-8625 MIL SPEC 1ST TREATMENT RESPONSE OR TT-P-1757 FED SPEC 3RD TREATMENT RESPONSE |
| SFTT | SURFACE TREATMENT | CHROMATE AND ANODIZE OR CHROMATE ZINC |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-250/4,T4 FED SPEC SINGLE MATERIAL RESPONSE |
| MATT | MATERIAL | ALUMINUM ALLOY 2024 |