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 |
|---|---|
| 56442 | DIAMOND REO TRUCK CO |
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 | ZINC OVERALL |
| SFTT | SURFACE TREATMENT | ZINC OVERALL |
| ABKW | OVERALL HEIGHT | 0.238 INCHES MINIMUM AND 0.248 INCHES MAXIMUM |
| MATT | MATERIAL | STEEL COMP 1015 OVERALL OR STEEL COMP 1018 OVERALL OR STEEL COMP 1008 OVERALL OR STEEL COMP 1009 OVERALL OR STEEL COMP 1020 OVERALL |
| ABKV | OUTSIDE DIAMETER | 1.750 INCHES NOMINAL |
| AAUB | HOLE DIAMETER | 1.131 INCHES MINIMUM AND 1.151 INCHES MAXIMUM |
| STYL | STYLE DESIGNATOR | RECESSED |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-698 FED SPEC ALL MATERIAL RESPONSES OVERALL |
| ABMH | RECESS DEPTH | 0.1902 INCHES MINIMUM AND 0.2002 INCHES MAXIMUM |
| ABPX | MATERIAL THICKNESS | 0.0428 INCHES MINIMUM AND 0.0528 INCHES MAXIMUM |