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 |
|---|---|
| 81755 | LOCKHEED MARTIN CORPORATION DBA LOCK |
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 |
|---|---|---|
| MATT | MATERIAL | STEEL COMP 630 OUTER LAYER |
| CSFM | UNDERCUT DEPTH (NON-CORE) | ERR-070 |
| MATT | MATERIAL | COTTON INNER LAYER |
| ABHP | OVERALL LENGTH | 0.9920 INCHES MINIMUM AND 1.0070 INCHES MAXIMUM |
| BZLX | CORNER SHAPE | SQUARE INSIDE LEFT CORNER |
| ZZZK | SPECIFICATION/STANDARD DATA | 81755-C9681 MANUFACTURERS SPECIFICATION CONTROL |
| STYL | STYLE DESIGNATOR | SOLID |
| BZLX | CORNER SHAPE | SQUARE INSIDE RIGHT CORNER |
| AEPR | FLANGE OUTSIDE DIAMETER | 0.7400 INCHES MINIMUM AND 0.7600 INCHES MAXIMUM |
| CSYM | SURFACE FINISH | 125.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY |
| CSYM | SURFACE FINISH | 125.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF FLANGE |
| BZLX | CORNER SHAPE | SQUARE LEFT FLANGE OUTSIDE RIGHT CORNER |
| BZLX | CORNER SHAPE | UNDERCUT LEFT FLANGE BODY CORNER |
| BZLX | CORNER SHAPE | SQUARE OUTSIDE LEFT CORNER |
| ABPC | UNDERCUT WIDTH | ERR-070 AND ERR-070 |
| BZLX | CORNER SHAPE | SQUARE OUTSIDE RIGHT CORNER |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5643K-77 ASSN STD SINGLE MATERIAL RESPONSE OUTER LAYER OR FMS-0131,FSCM 81755 MFR REF SINGLE MATERIAL RESPONSE OUTER LAYER |
| ADAS | BODY INSIDE DIAMETER | 0.5005 INCHES MINIMUM AND 0.5015 INCHES MAXIMUM |
| FEAT | SPECIAL FEATURES | SELF-LUBRICATING LINER PER MIL-B-81934/2 |
| CSYM | SURFACE FINISH | 125.0 MICROINCHES RIGHT END SURFACE OF BODY |
| ADAR | BODY OUTSIDE DIAMETER | 0.6260 INCHES MINIMUM AND 0.6265 INCHES MAXIMUM |
| CSYM | SURFACE FINISH | 63.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF BODY |
| AGFF | FLANGE WIDTH | 0.0570 INCHES MINIMUM AND 0.0620 INCHES MAXIMUM |
| CSYM | SURFACE FINISH | 125.0 MICROINCHES LEFT END SURFACE OF BODY AND FLANGE |
| CSYM | SURFACE FINISH | 125.0 MICROINCHES RIGHT END SURFACE OF LEFT FLANGE |