Part Number
Part Number:
NSN:
NIIN:
Item Name:
WASHER , LOCK
Definition:
A WASHER WHICH IS USUALLY ROUND WITH A CENTRALLY LOCATED HOLE. ITS EDGES AND TWO BEARING SURFACES ARE SO DESIGNED THAT APPLIED PRESSURE BRINGS INTO PLAY THE SPRING TENSION AND/OR FRICTIONAL LOCKING PRINCIPLE WHICH MATERIALLY RESISTS ANY TENDENCY TOWARD TURNING. IT MAY BE MADE OF ONE OR TWO PIECES
CAGE Information
| Code | Company |
|---|---|
| 81348 | FEDERAL SPECIFICATIONS PROMULGATED B |
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 | CADMIUM OVERALL OR ZINC OVERALL |
| SFTT | SURFACE TREATMENT | CADMIUM OVERALL OR ZINC OVERALL |
| STYL | STYLE DESIGNATOR | SPLIT HELICAL-RIGHT HAND |
| ZZZT | NONDEFINITIVE SPEC/STD DATA | A CLASS AND 4 STYLE |
| AAUB | HOLE DIAMETER | 0.102 INCHES MINIMUM AND 0.110 INCHES MAXIMUM |
| CQFM | HARDNESS RATING | 45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM |
| MATT | MATERIAL | STEEL COMP 1060 OVERALL OR STEEL COMP 1080 OVERALL |
| ABKV | OUTSIDE DIAMETER | 0.242 INCHES MAXIMUM |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A576 ASSN STD ALL MATERIAL RESPONSES OVERALL |
| ABPX | MATERIAL THICKNESS | 0.034 INCHES NOMINAL |