Part Number
Part Number:
NSN:
NIIN:
Item Name:
WASHER , SPRING TENSION
Definition:
A BENT SPRING METAL WASHER WITH A CENTRALLY LOCATED HOLE. IT IS DESIGNED TO EXERT PRESSURE AXIALLY WHEN ASSEMBLED IN PLACE.
CAGE Information
| Code | Company |
|---|---|
| 81349 | MILITARY SPECIFICATIONS PROMULGATED |
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 |
|---|---|---|
| ABKV | OUTSIDE DIAMETER | 0.480 INCHES MINIMUM AND 0.500 INCHES MAXIMUM |
| ABPX | MATERIAL THICKNESS | 0.019 INCHES MINIMUM AND 0.021 INCHES MAXIMUM |
| MATT | MATERIAL | STEEL OVERALL |
| CQFM | HARDNESS RATING | 45.0 ROCKWELL C MINIMUM AND 52.0 ROCKWELL C MAXIMUM |
| AAUB | HOLE DIAMETER | 0.258 INCHES MINIMUM AND 0.278 INCHES MAXIMUM |
| ABKW | OVERALL HEIGHT | 0.032 INCHES MINIMUM AND 0.038 INCHES MAXIMUM |
| ZZZK | SPECIFICATION/STANDARD DATA | 81349-MIL-W-12133/1 GOVERNMENT SPECIFICATION |
| STYL | STYLE DESIGNATOR | SPRING TENSION |
| SFTT | SURFACE TREATMENT | CADMIUM OVERALL |