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 |
|---|---|
| 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 |
|---|---|---|
| ABPX | MATERIAL THICKNESS | 0.189 INCHES MINIMUM AND 0.199 INCHES MAXIMUM |
| ABPX | MATERIAL THICKNESS | 0.189 INCHES MINIMUM AND 0.199 INCHES MAXIMUM |
| SFTT | SURFACE TREATMENT | CADMIUM OVERALL OR ZINC OVERALL |
| STYL | STYLE DESIGNATOR | SPLIT HELICAL-RIGHT HAND |
| ABKV | OUTSIDE DIAMETER | 1.100 INCHES MAXIMUM |
| ZZZT | NONDEFINITIVE SPEC/STD DATA | 3 STYLE AND A CLASS |
| MATT | MATERIAL | STEEL OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 FED SPEC 1ST TREATMENT RESPONSE OVERALL OR QQ-Z-325 FED SPEC 2ND TREATMENT RESPONSE OVERALL |
| CQFM | HARDNESS RATING | 45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM |
| AAUB | HOLE DIAMETER | 0.636 INCHES MINIMUM AND 0.660 INCHES MAXIMUM |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | FED STD 66,AISI C1060 THRU C1080 OR SAE 1060 THRU 1080 FED STD ALL MATERIAL RESPONSES OVERALL |