Part Number
Definition:
A TUBULAR SHAPED ITEM WITH A ROUND OR HEXAGON PERIPHERAL SHAPE HAVING TWO FLAT BEARING SURFACES PERPENDICULAR TO THE AXIS OF THE CENTRALLY LOCATED HOLE. IT IS DESIGNED TO MAINTAIN A PREDETERMINED DISTANCE BETWEEN ASSEMBLED PARTS. THE ITEM MAY BE WITH OR WITHOUT FLANGE(S) OF ANY PERIPHERAL SHAPE. THE OVERALL LENGTH MUST EXCEED 25 PERCENT OF THE OUTSIDE DIAMETER OR DISTANCE ACROSS PERIPHERAL FLATS OF THE BODY. (WHEN THE LENGTH, OUTSIDE DIAMETER, AND/OR DISTANCE ACROSS PERIPHERAL FLATS ARE DESIGNED AS A TOLERANCE, THE MAXIMUM DIMENSION WILL BE USED TO DETERMINE COMPLIANCE). FOR ITEMS HAVING OTHER THAN A ROUND OR HEXAGON PERIPHERAL SHAPE, SEE SPACER, PLATE. EXCLUDES ITEMS WITH LUBRICATING FEATURES, SEE BEARING, SLEEVE AND BUSHING, SLEEVE. SEE ALSO BUSHING, TAPERED; SPACER, RING; WASHER, FLAT; AND WASHER, (AS MODIFIED).
CAGE Information
| Code | Company |
|---|---|
| 78286 | SIKORSKY AIRCRAFT CORPORATION |
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 |
|---|---|---|
| AJFM | END TO FLANGE DISTANCE | 1.0000 INCHES NOMINAL |
| AEPR | FLANGE OUTSIDE DIAMETER | 0.3750 INCHES NOMINAL |
| SFTT | SURFACE TREATMENT | ANODIZE OVERALL |
| MATT | MATERIAL | ALUMINUM ALLOY 2024 OVERALL |
| CTTG | RIGHT END BODY DIAMETER | 0.3120 INCHES NOMINAL |
| ABHP | OVERALL LENGTH | 3.1300 INCHES NOMINAL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-A-8625,TYPE1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-225/6,T351 FED SPEC SINGLE MATERIAL RESPONSE OVERALL OR QQ-A-200/3,T3511 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| STYL | STYLE DESIGNATOR | SOLID |
| CTSN | LEFT END BODY DIAMETER | 0.3120 INCHES NOMINAL |
| AGFF | FLANGE WIDTH | 0.0600 INCHES NOMINAL |
| BZLX | CORNER SHAPE | SQUARE ALL CORNERS |
| ADAS | BODY INSIDE DIAMETER | 0.1900 INCHES MINIMUM AND 0.1940 INCHES MAXIMUM |