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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
96906 MILITARY STANDARDS PROMULGATED BY MI

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
MATT MATERIAL STEEL CORROSION RESISTING OVERALL
MATT MATERIAL STEEL CORROSION RESISTING 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
ABKV OUTSIDE DIAMETER 1.079 INCHES MAXIMUM
ABPX MATERIAL THICKNESS 0.156 INCHES MINIMUM AND 0.166 INCHES MAXIMUM
AAUB HOLE DIAMETER 0.636 INCHES MINIMUM AND 0.653 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
SFTT SURFACE TREATMENT PASSIVATE OVERALL
MDCL MATERIAL DOCUMENT AND CLASSIFICATION 66 FED STD SINGLE MATERIAL RESPONSE OVERALL

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