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 |
|---|---|
| 12511 | SIMMONDS PRECISION PRODUCTS INC. DBA |
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 |
|---|---|---|
| ABMH | RECESS DEPTH | 0.080 INCHES NOMINAL |
| ABKV | OUTSIDE DIAMETER | 1.376 INCHES MINIMUM AND 1.378 INCHES MAXIMUM |
| CQFM | HARDNESS RATING | 38.0 ROCKWELL C MINIMUM AND 42.0 ROCKWELL C MAXIMUM |
| FEAT | SPECIAL FEATURES | CHAMFER 0.015 IN. MIN,0.035 IN. MAX BY 45 DEG BOTTOM OUTSIDE CORNER |
| AAUB | HOLE DIAMETER | 0.880 INCHES NOMINAL |
| MATT | MATERIAL | STEEL COMP 410 OVERALL |
| ABMD | RECESS DIAMETER | 1.005 INCHES MINIMUM AND 1.010 INCHES MAXIMUM |
| STYL | STYLE DESIGNATOR | RECESSED |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | NS177,FSCM 12511 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| ABKW | OVERALL HEIGHT | 0.138 INCHES MINIMUM AND 0.142 INCHES MAXIMUM |
| SFTT | SURFACE TREATMENT | PASSIVATE OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-763,COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL |