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 |
|---|---|
| 12829 | PIONEER MACHINE PRODUCTS 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 |
|---|---|---|
| SFTT | SURFACE TREATMENT | ANODIZE OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-225/9,T7351 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| FEAT | SPECIAL FEATURES | CHAMFER OUSIDE TOP OF WASHER TO 0.650 IN. DIA |
| AAUB | HOLE DIAMETER | 0.375 INCHES MINIMUM AND 0.382 INCHES MAXIMUM |
| ABKV | OUTSIDE DIAMETER | 1.250 INCHES NOMINAL |
| STYL | STYLE DESIGNATOR | RECESS |
| ABPX | MATERIAL THICKNESS | 0.063 INCHES NOMINAL |
| MATT | MATERIAL | ALUMINUM ALLOY 7075 OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | PS13201,TY 2,CL 1,CAGE 76301 MFR REF SINGLE TREATMENT RESPONSE OVERALL |