Part Number
Part Number:
NSN:
NIIN:
Item Name:
WASHER , FINISHING
Definition:
A WASHER OR CONE OR DISK SHAPE WITH A CENTRALLY LOCATED HOLE, DESIGNED TO ACCOMMODATE A FLAT OR OVAL HEAD SCREW AND PROVIDE ADDITIONAL BEARING AREA ON THE MATERIAL BEING FASTENED. IT MAY OR MAY NOT HAVE A FLUSH FLANGE FEATURE.
CAGE Information
| Code | Company |
|---|---|
| 81755 | LOCKHEED MARTIN CORPORATION DBA LOCK |
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 |
|---|---|---|
| CSTM | RECESS ANGLE | 100.0 DEGREES NOMINAL |
| ABMD | RECESS DIAMETER | 0.301 INCHES MINIMUM AND 0.317 INCHES MAXIMUM |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5059,1/2 H MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| ABKV | OUTSIDE DIAMETER | 0.500 INCHES NOMINAL |
| AAUB | HOLE DIAMETER | 0.185 INCHES MINIMUM AND 0.195 INCHES MAXIMUM |
| MATT | MATERIAL | STEEL COMP 301 OVERALL |
| STYL | STYLE DESIGNATOR | FINISHING |
| ABPX | MATERIAL THICKNESS | 0.018 INCHES NOMINAL |
| ABKW | OVERALL HEIGHT | 0.064 INCHES MINIMUM AND 0.080 INCHES MAXIMUM |