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 |
|---|---|
| 97499 | BELL HELICOPTER TEXTRON INC. |
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 |
| SFTT | SURFACE TREATMENT | ANODIZE OVERALL |
| MATT | MATERIAL | ALUMINUM ALLOY 2024 OVERALL |
| CSML | BOTTOM RECESS DIAMETER | 0.654 INCHES MINIMUM AND 0.674 INCHES MAXIMUM |
| CRKG | BOTTOM RECESS ANGLE | 90.0 DEGREES NOMINAL |
| ABPX | MATERIAL THICKNESS | 0.090 INCHES MINIMUM AND 0.110 INCHES MAXIMUM |
| AAUB | HOLE DIAMETER | 0.630 INCHES MINIMUM AND 0.650 INCHES MAXIMUM |
| CQJW | TOP RECESS DIAMETER | 0.654 INCHES MINIMUM AND 0.674 INCHES MAXIMUM |
| STYL | STYLE DESIGNATOR | RECESSED BOTH SIDES |
| ABMH | RECESS DEPTH | 0.015 INCHES NOMINAL |
| ABKV | OUTSIDE DIAMETER | 1.220 INCHES MINIMUM AND 1.280 INCHES MAXIMUM |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-225/6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |