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 |
|---|---|---|
| ADUM | OVERALL THICKNESS | 0.256 INCHES MINIMUM AND 0.266 INCHES MAXIMUM |
| CQFM | HARDNESS RATING | 39.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM |
| SFTT | SURFACE TREATMENT | OXIDE OVERALL |
| MATT | MATERIAL | STEEL COMP 4130 OVERALL OR STEEL COMP E4340 OVERALL |
| ADPM | BOLT CIRCLE HOLE QUANTITY | 2 |
| CWLK | OUTSIDE RAISED SURFACE DIAMETER | 0.438 INCHES NOMINAL |
| AAGR | CROSS-SECTIONAL SHAPE STYLE | RAISED SURFACE W/O APERTURE |
| CWJW | MOUNTING HOLE TYPE | ROUND, UNTHREADED |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-18729 MIL SPEC 1ST MATERIAL RESPONSE OVERALL OR MIL-S-5000 MIL SPEC 2ND MATERIAL RESPONSE OVERALL |
| ABTB | MOUNTING HOLE DIAMETER | 0.265 INCHES NOMINAL |
| CKSR | RAISED SURFACE HEIGHT | 0.050 INCHES MINIMUM AND 0.055 INCHES MAXIMUM |