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 |
|---|---|
| 97499 | BELL HELICOPTER TEXTRON INC. |
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 |
|---|---|---|
| FEAT | SPECIAL FEATURES | ONE BEARING SURFACE W/48 PITCH BY 60 DEG SERRATIONS |
| HEAT | HEAT TREATMENT | F-AS FABRICATED |
| AAUB | HOLE DIAMETER | 0.195 INCHES MINIMUM AND 0.201 INCHES MAXIMUM |
| ABPX | MATERIAL THICKNESS | 0.100 INCHES MINIMUM AND 0.126 INCHES MAXIMUM |
| MATT | MATERIAL | ALUMINUM ALLOY 2024 OVERALL |
| SFTT | SURFACE TREATMENT | ZINC OVERALL AND CHROMATE OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-250/5,T3 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |