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 |
|---|---|---|
| MATT | MATERIAL | STEEL COMP 4130 OVERALL |
| ABHP | OVERALL LENGTH | 1.0260 INCHES MINIMUM AND 1.0300 INCHES MAXIMUM |
| FEAT | SPECIAL FEATURES | CASE HARDENED TO ROCKWELL HARDENESS C 58.0 MIN,64.0 MAX,DEPTH 0.008 IN. MIN,0.019 IN. MAX; CORE HARDENESS ROCKWELL C 30.0 MIN,45.0 MAX |
| AEPR | FLANGE OUTSIDE DIAMETER | 3.0100 INCHES MINIMUM AND 3.0200 INCHES MAXIMUM |
| STYL | STYLE DESIGNATOR | SOLID |
| BZLX | CORNER SHAPE | SQUARE INSIDE RIGHT CORNER |
| BZLX | CORNER SHAPE | CHAMFERED INSIDE LEFT CORNER |
| ADAS | BODY INSIDE DIAMETER | 2.1710 INCHES MINIMUM AND 2.1720 INCHES MAXIMUM |
| BZLX | CORNER SHAPE | SQUARE LEFT FLANGE OUTSIDE RIGHT CORNER |
| CSYT | CHAMFER ANGLE (NON-CORE) | ERR-070 |
| BZLX | CORNER SHAPE | SQUARE OUTSIDE LEFT CORNER |
| AGFF | FLANGE WIDTH | 0.0600 INCHES NOMINAL |
| BZLX | CORNER SHAPE | SQUARE OUTSIDE RIGHT CORNER |
| ABGG | RADIUS (NON-CORE) | ERR-070 |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-6758,COND C MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| ADAR | BODY OUTSIDE DIAMETER | 2.4500 INCHES NOMINAL |
| BZLX | CORNER SHAPE | ROUND LEFT FLANGE BODY CORNER |
| AAZP | CHAMFER LENGTH | ERR-070 AND ERR-070 |
| CSYM | SURFACE FINISH | 20.0 MICROINCHES LEFT END SURFACE OF BODY AND FLANGE |