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 |
|---|---|---|
| ABKW | OVERALL HEIGHT | 0.047 INCHES MINIMUM AND 0.053 INCHES MAXIMUM |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A682 ASSN STD ALL MATERIAL RESPONSES OVERALL |
| MATT | MATERIAL | STEEL COMP 1086 OVERALL OR STEEL COMP 1074 OVERALL OR STEEL COMP 1070 OVERALL OR STEEL COMP 1085 OVERALL OR STEEL COMP 1080 OVERALL OR STEEL COMP 1095 OVERALL |
| AAUB | HOLE DIAMETER | 0.521 INCHES MINIMUM AND 0.541 INCHES MAXIMUM |
| ABKV | OUTSIDE DIAMETER | 0.724 INCHES MINIMUM AND 0.744 INCHES MAXIMUM |
| CQFM | HARDNESS RATING | 45.0 ROCKWELL C MINIMUM AND 52.0 ROCKWELL C MAXIMUM |
| STYL | STYLE DESIGNATOR | SPRING TENSION |
| SFTT | SURFACE TREATMENT | CADMIUM OVERALL AND CHROMATE OVERALL |
| ABPX | MATERIAL THICKNESS | 0.008 INCHES MINIMUM AND 0.010 INCHES MAXIMUM |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |