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 |
|---|---|
| 82918 | THE BOEING COMPANY GLOBAL SERVICES & |
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 |
|---|---|---|
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5626 COND D MIL SPEC 1ST MATERIAL RESPONSE OVERALL OR MIL-S-6049 COND D MIL SPEC 2ND MATERIAL RESPONSE OVERALL OR MIL-S-5000 COND D MIL SPEC 3RD MATERIAL RESPONSE OVERALL |
| ABMD | RECESS DIAMETER | 1.205 INCHES MINIMUM AND 1.211 INCHES MAXIMUM |
| ABPX | MATERIAL THICKNESS | 0.280 INCHES MINIMUM AND 0.320 INCHES MAXIMUM |
| ABKV | OUTSIDE DIAMETER | 1.600 INCHES MINIMUM AND 1.620 INCHES MAXIMUM |
| AAUB | HOLE DIAMETER | 1.000 INCHES MINIMUM AND 1.007 INCHES MAXIMUM |
| FEAT | SPECIAL FEATURES | 0.075 IN. MIN 0.080 IN. MAX RADIUS OPPOSITE SIDE RECESSED ANGLE |
| MATT | MATERIAL | STEEL COMP 8740 OVERALL OR STEEL COMP 4140 OVERALL OR STEEL COMP 4340 OVERALL |
| CQBC | MINIMUM TENSILE STRENGTH | 150000 POUNDS PER SQUARE INCH |
| STYL | STYLE DESIGNATOR | RECESS |
| CSTM | RECESS ANGLE | 90.0 DEGREES NOMINAL |