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 |
|---|---|
| 43999 | BOEING COMPANY THE DBA BOEING DIV DE |
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 |
|---|---|---|
| ABHE | OUTSIDE DIAMETER | 25.870 INCHES NOMINAL |
| ADUM | OVERALL THICKNESS | 0.125 INCHES NOMINAL |
| FEAT | SPECIAL FEATURES | BOLT HOLES ARE EQUALLY SPACED ALONG SIDE OF SPACER; HAS NOMINAL SPLIT OF 0.120 IN. AT ONE POINT OF SPACER. |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-250/5 FED SPEC SINGLE MATERIAL RESPONSE |
| AECS | BOLT HOLE QUANTITY | 31 |
| AHNX | BOLT HOLE DIAMETER | 0.281 INCHES NOMINAL |
| AARX | INSIDE DIAMETER | 25.620 INCHES NOMINAL |
| ABHC | OVERALL WIDTH | 1.000 INCHES NOMINAL |
| MATT | MATERIAL | ALUMINUM ALLOY 2024 |