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 |
|---|---|
| 77272 | THE BOEING COMPANY DBA BOEING |
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 |
|---|---|---|
| CQJW | TOP RECESS DIAMETER | 0.604 INCHES MINIMUM AND 0.620 INCHES MAXIMUM |
| CQJW | TOP RECESS DIAMETER | 0.604 INCHES MINIMUM AND 0.620 INCHES MAXIMUM |
| MATT | MATERIAL | STEEL COMP 4130 OVERALL |
| CRSD | TOP RECESS ANGLE | 45.0 DEGREES NOMINAL |
| ABPX | MATERIAL THICKNESS | 0.188 INCHES NOMINAL |
| CSML | BOTTOM RECESS DIAMETER | 0.604 INCHES MINIMUM AND 0.620 INCHES MAXIMUM |
| AAUB | HOLE DIAMETER | 0.505 INCHES MINIMUM AND 0.515 INCHES MAXIMUM |
| ABKV | OUTSIDE DIAMETER | 0.865 INCHES MINIMUM AND 0.885 INCHES MAXIMUM |
| CRKG | BOTTOM RECESS ANGLE | 45.0 DEGREES NOMINAL |
| STYL | STYLE DESIGNATOR | RECESSED BOTH SIDES |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-6758 COND F MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| SFTT | SURFACE TREATMENT | CADMIUM OVERALL |