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Part Number

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
U1604 MARTIN-BAKER AIRCRAFT CO LTD

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 A TYPE AND A GRADE
STYL STYLE DESIGNATOR FLAT INTERNAL TEETH
MDCL MATERIAL DOCUMENT AND CLASSIFICATION 66 FED STD ALL MATERIAL RESPONSES OVERALL
CQFM HARDNESS RATING 40.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM
ABPX MATERIAL THICKNESS 0.016 INCHES MINIMUM AND 0.020 INCHES MAXIMUM
ABKV OUTSIDE DIAMETER 0.446 INCHES MINIMUM AND 0.464 INCHES MAXIMUM
STDC SURFACE TREATMENT DOCUMENT AND CLASSIFICATION QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
MATT MATERIAL STEEL COMP 1050 OVERALL OR STEEL COMP 1561 OVERALL OR STEEL COMP 1060 OVERALL OR STEEL COMP 1551 OVERALL OR STEEL COMP 1552 OVERALL OR STEEL COMP 1053 OVERALL OR STEEL COMP 1055 OVERALL OR STEEL COMP 1059 OVERALL OR STEEL COMP 1064 OVERALL
SFTT SURFACE TREATMENT CADMIUM OVERALL

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