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 |
|---|---|
| 30003 | NAVAL AIR SYSTEMS COMMAND |
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 | 0.102 INCHES MINIMUM AND 0.103 INCHES MAXIMUM |
| ABKV | OUTSIDE DIAMETER | 0.141 INCHES MINIMUM AND 0.146 INCHES MAXIMUM |
| MATT | MATERIAL | COPPER ALLOY 260 OVERALL OR COPPER ALLOY 268 OVERALL |
| ABPX | MATERIAL THICKNESS | 0.0125 INCHES MINIMUM AND 0.0135 INCHES MAXIMUM |
| CSYM | SURFACE FINISH | 16.0 MICROINCHES TOP |
| CSYM | SURFACE FINISH | 16.0 MICROINCHES BOTTOM |
| STYL | STYLE DESIGNATOR | RECESS |
| CSTM | RECESS ANGLE | 90.0 DEGREES NOMINAL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-B-613,TEMPER HARD FED SPEC 2ND MATERIAL RESPONSE OVERALL OR QQ-B-613,TEMPER HARD FED SPEC 1ST MATERIAL RESPONSE OVERALL OR QQ-B-626,TEMPER HARD FED SPEC 1ST MATERIAL RESPONSE OVERALL OR QQ-B-626,TEMPER HARD FED SPEC 2ND MATERIAL RESPONSE OVERALL |
| AAUB | HOLE DIAMETER | 0.096 INCHES MINIMUM AND 0.097 INCHES MAXIMUM |