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 |
| CRSD | TOP RECESS ANGLE | 90.0 DEGREES NOMINAL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AMS6371 ASSN STD SINGLE MATERIAL RESPONSE OVERALL OR QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| ABPX | MATERIAL THICKNESS | 0.220 INCHES NOMINAL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | BPS PW4006,TYPE 1,CLASS B,FSCM 97499 MFR REF SINGLE TREATMENT RESPONSE OVERALL OR QQ-P-416 FED SPEC SINGLE TREATMENT RESPONSE OVERALL OR BPS FW4138,FSCM 97499 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| CRKG | BOTTOM RECESS ANGLE | 90.0 DEGREES NOMINAL |
| SFTT | SURFACE TREATMENT | CADMIUM OVERALL OR PASSIVATE OVERALL |
| CSML | BOTTOM RECESS DIAMETER | 3.555 INCHES NOMINAL |
| AAUB | HOLE DIAMETER | 3.515 INCHES NOMINAL |
| ABKV | OUTSIDE DIAMETER | 4.200 INCHES NOMINAL |
| CQJW | TOP RECESS DIAMETER | 3.555 INCHES NOMINAL |
| STYL | STYLE DESIGNATOR | RECESSED BOTH SIDES |
| MATT | MATERIAL | STEEL OVERALL OR STEEL COMP 416 OVERALL |