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Item Name:
WASHER , CONCAVE

Definition:

A WASHER WHICH IS ROUND WITH A CENTRALLY LOCATED HOLE. ONE BEARING SURFACE IS SMOOTH, FLAT, AND UNBROKEN, THE OTHER BEARING SURFACE IS SMOOTH, UNBROKEN, AND IS RECESSED TO FORM A CURVED OR SPHERICAL CONTOUR. SEE ALSO WASHER (1), CONVEX. EXCLUDES WASHER (1), RECESSED AND BEARING, WASHER, THRUST.

CAGE Information

Code Company
98897 LOCKHEED MARTIN CORPORATION DBA LOCK

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
MDCL MATERIAL DOCUMENT AND CLASSIFICATION AMS 6487 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
ABKV OUTSIDE DIAMETER 1.110 INCHES MAXIMUM
STDC SURFACE TREATMENT DOCUMENT AND CLASSIFICATION AMS 2416 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
SFTT SURFACE TREATMENT NICKEL OVERALL AND CADMIUM OVERALL AND CHROMATE OVERALL
AAUB HOLE DIAMETER 0.725 INCHES MINIMUM AND 0.735 INCHES MAXIMUM
MATT MATERIAL STEEL COMP H11 OVERALL
ABPX MATERIAL THICKNESS 0.305 INCHES MINIMUM AND 0.315 INCHES MAXIMUM

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