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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
81336 CHIEF OF ENGINEERS DEPT OF ARMY

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 0.586 INCHES MAXIMUM
ABKV OUTSIDE DIAMETER 0.586 INCHES MAXIMUM
MDCL MATERIAL DOCUMENT AND CLASSIFICATION FED STD 66,AISI 302 OR SAE 30302 FED STD 1ST MATERIAL RESPONSE OVERALL AND FED STD 66,AISI 420 OR SAE 51420 FED STD 2ND MATERIAL RESPONSE OVERALL
CQFM HARDNESS RATING 45.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OR 53.0 ROCKWELL C MAXIMUM
STYL STYLE DESIGNATOR SPLIT HELICAL-RIGHT HAND
ABPX MATERIAL THICKNESS 0.078 INCHES MINIMUM AND 0.088 INCHES MAXIMUM
AAUB HOLE DIAMETER 0.318 INCHES MINIMUM AND 0.328 INCHES MAXIMUM
ZZZT NONDEFINITIVE SPEC/STD DATA 2 STYLE AND C CLASS
STDC SURFACE TREATMENT DOCUMENT AND CLASSIFICATION QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
MATT MATERIAL STEEL COMP 302 OVERALL AND STEEL COMP 420 OVERALL
SFTT SURFACE TREATMENT PASSIVATE OVERALL

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