Part Number
Definition:
A WASHER OF ANY PERIPHERAL SHAPE HAVING A CENTRALLY LOCATED HOLE. BOTH BEARING SURFACES ARE PARALLEL AND FLAT, BUT ONE OR BOTH OF THE BEARING SURFACES MUST BE BROKEN BY A COUNTERBORE, COUNTERSINK, OR SIMILARLY SHAPED RECESS. THE THICKNESS MUST NOT EXCEED 25 PER CENT OF THE OUTSIDE DIAMETER OR THE LARGEST OUTSIDE DIMENSION. THE MAXIMUM LIMIT OF THE TOLERANCE OR RANGE APPLIED TO THE THICKNESS AND/OR LARGEST OUTSIDE DIMENSION MUST BE USED TO DETERMINE COMPLIANCE. EXCLUDES WASHER, CONCAVE, RETAINER, PACKING, AND THRUST TYPE WASHERS. SEE ALSO SPACER, SLEEVE; AND SPACER, STEPPED.
CAGE Information
| Code | Company |
|---|---|
| 81755 | LOCKHEED MARTIN CORPORATION DBA LOCK |
Federal Supply Class
Title
NUTS AND WASHERS
Inclusions:
INCLUDES LOCKNUTS; EYE NUTS; PLAIN NUTS; CASTELLATED NUTS; WING NUTS; PLATE NUTS; PUSH ON NUTS; CONCAVE AND CONVEX WASHERS; FLAT WASHERS; KEYED WASHERS; LOCK WASHERS; SHOULDERED WASHERS; SPLIT WASHERS.
Exclusions:
EXCLUDES BEARING THRUST WASHERS (FSC 3120); SHIMS (FSC 5365); RING SPACERS (FSC 5365); PLATE SPACERS (FSC 5365); LOCK RINGS (FSC 5365).
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| ABMD | RECESS DIAMETER | 0.837 INCHES MINIMUM AND 0.852 INCHES MAXIMUM |
| ABMD | RECESS DIAMETER | 0.837 INCHES MINIMUM AND 0.852 INCHES MAXIMUM |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-225/8,TEMPER T6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL OR QQ-A-250/11,TEMPER T6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| ABPX | MATERIAL THICKNESS | 0.095 INCHES MINIMUM AND 0.105 INCHES MAXIMUM |
| MATT | MATERIAL | ALUMINUM ALLOY 6061 OVERALL |
| CSTM | RECESS ANGLE | 88.000 DEGREES MINIMUM AND 92.000 DEGREES MAXIMUM |
| ABKV | OUTSIDE DIAMETER | 1.044 INCHES MINIMUM AND 1.074 INCHES MAXIMUM |
| STYL | STYLE DESIGNATOR | RECESS |
| AAUB | HOLE DIAMETER | 0.701 INCHES MINIMUM AND 0.711 INCHES MAXIMUM |