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Part Number:
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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
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
ZZZT NONDEFINITIVE SPEC/STD DATA 1 STYLE AND A CLASS
ZZZT NONDEFINITIVE SPEC/STD DATA 1 STYLE AND A CLASS
STYL STYLE DESIGNATOR SPLIT HELICAL-RIGHT HAND
ABPX MATERIAL THICKNESS 0.070 INCHES MINIMUM AND 0.080 INCHES MAXIMUM
MATT MATERIAL STEEL OVERALL
CQFM HARDNESS RATING 45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM
MDCL MATERIAL DOCUMENT AND CLASSIFICATION FED STD 66,AISI C1060 THRU C1080 OR SAE 1060 THRU 1080 FED STD ALL MATERIAL RESPONSES OVERALL
AAUB HOLE DIAMETER 0.382 INCHES MINIMUM AND 0.398 INCHES MAXIMUM
ABKV OUTSIDE DIAMETER 0.678 INCHES MAXIMUM

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