Part Number
Part Number:
NSN:
NIIN:
Item Name:
PLATE , RETAINING , BEARING
Definition:
A COMPARATIVELY FLAT RIGID ITEM, WITH OR WITHOUT A CENTRALLY LOCATED APERTURE, DESIGNED TO HOLD AN ANNULAR BEARING OR A SLEEVE BEARING IN A FITTED INCLOSURE. IT MUST HAVE DRILLED AND/OR TAPPED HOLES FOR MOUNTING PURPOSES. EXCLUDES END BELL, ELECTRICAL ROTATING EQUIPMENT.
CAGE Information
| Code | Company |
|---|---|
| 78286 | SIKORSKY AIRCRAFT CORPORATION |
Federal Supply Class
Title
BEARINGS, ANTIFRICTION, UNMOUNTE
Inclusions:
INCLUDES BALL BEARINGS; ROLLER BEARINGS; BALLS; RACES.
Exclusions:
EXCLUDES PLAIN BEARINGS (FSC 3120); JEWEL BEARINGS (FSC 3120)
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| CMLP | THREAD QUANTITY PER INCH | 24 |
| MATT | MATERIAL | STEEL COMP 4130 OVERALL |
| AAWZ | COUNTERBORE DEPTH | 0.230 INCHES NOMINAL |
| AFFL | MOUNTING BOLT CIRCLE DIAMETER | 9.500 INCHES NOMINAL |
| SFTT | SURFACE TREATMENT | OXIDE OVERALL |
| FEAT | SPECIAL FEATURES | 12 SCALLOPS EQUALLY SPACED BETWEEN HOLES ON OD;MAX SURFACE FINISH-ALL SURFACES 100 MICROINCHES AA;RETAINER SAW CUT DIAGONALLY AT 75 AND 255 DEG BY 0.062 IN.W;RAISED SURFACE FEATURE INCLUDED;APERTURE SHAPE ROUND AND INCLUDED;APERTURE TYPE:COUNTERBORED;SHAPE:ROUND |
| ADPM | BOLT CIRCLE HOLE QUANTITY | 12 |
| AAWY | COUNTERBORE DIAMETER | 8.900 INCHES MINIMUM AND 8.920 INCHES MAXIMUM |
| ADFU | MOUNTING HOLE ARRANGEMENT STYLE | SINGLE BOLT HOLE CIRCLE |
| ABTB | MOUNTING HOLE DIAMETER | 0.312 INCHES NOMINAL |
| ABKV | OUTSIDE DIAMETER | 9.615 INCHES MINIMUM AND 9.635 INCHES MAXIMUM |
| THSD | THREAD SERIES DESIGNATOR | UNF |
| CQJX | NOMINAL THREAD SIZE | 0.312 INCHES |
| ABVL | APERTURE DIAMETER | 8.302 INCHES MINIMUM AND 8.322 INCHES MAXIMUM |
| CQFM | HARDNESS RATING | 26.0 ROCKWELL C MINIMUM AND 33.0 ROCKWELL C MAXIMUM |
| CWJW | MOUNTING HOLE TYPE | ROUND, THREADED |
| CKSR | RAISED SURFACE HEIGHT | 0.207 INCHES NOMINAL |
| TEST | TEST DATA DOCUMENT | 81349-MILI6868 SPECIFICATION |
| CXDK | FIRST RAISED SURFACE OUTSIDE DIAMETER | 9.177 INCHES MINIMUM AND 9.197 INCHES MAXIMUM |
| ADUM | OVERALL THICKNESS | 0.230 INCHES NOMINAL |