Part Number
Definition:
AN ITEM OF ANY PERIPHERAL SHAPE USUALLY HAVING ONE FLAT OR SPHERICAL SURFACE AND A CENTRALLY LOCATED HOLE. IT IS DESIGNED FOR APPLICATIONS INVOLVING MOVING (KINETIC) LOADS. EXCEPT FOR ITEMS FABRICATED FROM BEARING QUALITY SYNTHETIC (PLASTIC) OR COMPOSED OF MULTILAYER MATERIAL, ONE BEARING SURFACE MUST EITHER HAVE A SPECIFIC SURFACE FINISH DESIGNATION OF 32 MICROINCH (0.8 MICROMETRE) OR LESS, ARITHMETICAL AVERAGE (AA) (ARITHMETIC MEAN DEVIATION) OR ONE OF THE FOLLOWING CONDITIONS: BE LAPPED OR GROUND; HAVE VISIBLE OR DETECTABLE MEANS OF LUBRICATION; GROOVES, INDENTATIONS; OR SELF-LUBRICATION. THE THICKNESS MUST NOT EXCEED 25 PERCENT OF THE OUTSIDE DIAMETER OF THE SHORTEST DISTANCE BETWEEN PERIPHERAL FLATS (WHEN THICKNESS AND/OR OUTSIDE DIAMETER IS DESIGNATED AS A TOLERANCE DIMENSION, THE MAXIMUM DIMENSION WILL BE USED TO DETERMINE COMPLIANCE). EXCLUDES STRAIGHT, TUBULAR (WITHOUT FLANGE) ITEMS HAVING A BEARING SURFACE(S) PARALLEL TO THE AXIS OF THE BORE ONLY. SEE ALSO WASHER, FLAT AND SPACER, SLEEVE.
CAGE Information
| Code | Company |
|---|---|
| 03640 | 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 |
|---|---|---|
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-5541 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| ABMZ | DIAMETER | 0.5000 INCHES NOMINAL |
| ABMX | CENTER HOLE SHAPE STYLE | ROUND |
| AGGZ | SHANK OUTSIDE DIAMETER | 0.6300 INCHES NOMINAL |
| AAZK | WIDTH ACROSS FLATS | 0.9000 INCHES NOMINAL |
| SFTT | SURFACE TREATMENT | CHROMATE OVERALL |
| AAGR | CROSS-SECTIONAL SHAPE STYLE | SHOULDERED |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-225/8 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| ABKU | FLANGE THICKNESS | 0.0600 INCHES NOMINAL |
| ABKV | OUTSIDE DIAMETER | 1.0000 INCHES NOMINAL |
| STYL | STYLE DESIGNATOR | ROUND W/TWO FLATS |
| BZLX | CORNER SHAPE | SQUARE ALL CORNERS |
| MATT | MATERIAL | ALUMINUM ALLOY 6061 OVERALL |
| ADUM | OVERALL THICKNESS | 0.1500 INCHES NOMINAL |
| SFCD | SURFACE CONDITION | GROUND |