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 |
|---|---|---|
| CRSD | TOP RECESS ANGLE | 90.0 DEGREES NOMINAL |
| CSML | BOTTOM RECESS DIAMETER | 0.740 INCHES NOMINAL |
| CRKG | BOTTOM RECESS ANGLE | 90.0 DEGREES NOMINAL |
| ABKV | OUTSIDE DIAMETER | 1.183 INCHES MINIMUM AND 1.208 INCHES MAXIMUM |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-T-9047 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| ABPX | MATERIAL THICKNESS | 0.150 INCHES MINIMUM AND 0.155 INCHES MAXIMUM |
| MATT | MATERIAL | TITANIUM ALLOY UNS R54520 OVERALL |
| CQJW | TOP RECESS DIAMETER | 0.740 INCHES NOMINAL |
| STYL | STYLE DESIGNATOR | RECESSED BOTH SIDES |
| AAUB | HOLE DIAMETER | 0.640 INCHES NOMINAL |