Part Number
Definition:
A TUBULAR SHAPED ITEM WITH OR WITHOUT FLANGE(S) DESIGNED TO REDUCE FRICTION AND CARRY A KINETIC LOAD ON THE SURFACE(S) PARALLEL TO THE AXIS OF THE BORE. IT MUST HAVE A VISIBLE OR DETECTABLE MEANS OF LUBRICATION OR BE SELF-LUBRICATED. THE OVER ALL LENGTH MUST EXCEED 25 PERCENT OF THE OUTSIDE DIAMETER OR THE SHORTEST DISTANCE BETWEEN PERIPHERAL FLATS OF THE BODY, EXCEPT FOR STRAIGHT TUBULAR (WITHOUT FLANGE OR SHOULDER) ITEMS HAVING A BEARING SURFACE(S) PARALLEL TO THE AXIS OF THE BORE ONLY. INCLUDES ITEMS WHICH ARE DIVIDED INTO TWO OR MORE SEGMENTS WHICH INCLUDE 180 DEGREES (3.141 RADIANS) OR LESS OF THE BEARING PERIPHERY. SEE ALSO BUSHING, SLEEVE; SPACER, SLEEVE; AND WASHER (AS MODIFIED). EXCLUDES PIN, HOLLOW.
CAGE Information
| Code | Company |
|---|---|
| 78286 | SIKORSKY AIRCRAFT CORPORATION |
Federal Supply Class
Title
BEARINGS, PLAIN, UNMOUNTED
Inclusions:
INCLUDES SLEEVE BEARINGS; SPLIT BEARINGS; WASHER TYPE BEARINGS; JEWEL BEARINGS.
Exclusions:
EXCLUDES ANTIFRICTION BEARINGS (FSC 3110); MOUNTED BEARINGS (FSC 3130).
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| CTMQ | SURFACE GROOVE LOCATION AND QUANTITY | 3 INTERNAL |
| ABHP | OVERALL LENGTH | 1.3594 INCHES MINIMUM AND 1.3906 INCHES MAXIMUM |
| CSYT | CHAMFER ANGLE | ERR-070 AND ERR-070 |
| AAUB | HOLE DIAMETER | 0.2344 INCHES MINIMUM FIRST |
| ADAR | BODY OUTSIDE DIAMETER | 4.3830 INCHES MINIMUM AND 4.3835 INCHES MAXIMUM |
| STYL | STYLE DESIGNATOR | SOLID |
| AAUB | HOLE DIAMETER | 0.2656 INCHES MAXIMUM SECOND |
| CSYM | SURFACE FINISH | 100.0 MICROINCHES OVERALL |
| ADAS | BODY INSIDE DIAMETER | 4.0131 INCHES MINIMUM AND 4.0145 INCHES MAXIMUM |
| CTJM | ANTIROTATION/LUBRICATION TYPE AND QUANTITY | 2 HOLE |