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Item Name:
WASHER , KEY

Definition:

A WASHER OF NONRESILIENT MATERIAL USUALLY HAVING TWO PARALLEL BEARING SURFACES. THE OUTSIDE AND/OR INSIDE EDGES HAVE ONE OR MORE PROTUBERANCES. THE ENDS AND/OR EDGES MAY BE PREBENT AT ANY ANGLE OR THE PROTUBERANCES MAY BE PREBENT AT ANY ANGLE TO THE BEARING SURFACES. THE KEYS OR LUGS MAY BE FITTED INTO KEYWAYS IN ADJACENT MATERIAL OR THEY MAY BE BENT OVER AFTER APPLICATION TO HOLD OR LOCK ONE OR MORE ITEMS IN PLACE. EXCLUDES THRUST TYPE WASHER.

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
AAUB HOLE DIAMETER 0.450 INCHES MINIMUM AND 0.455 INCHES MAXIMUM
MDCL MATERIAL DOCUMENT AND CLASSIFICATION AMS 5510 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
ABLF EXTERNAL PREBENT KEY WIDTH 0.170 INCHES MINIMUM AND 0.175 INCHES MAXIMUM
ABLS DISTANCE FROM CENTERLINE TO INSIDE OF PREBENT KEY 0.415 INCHES MINIMUM AND 0.425 INCHES MAXIMUM
ABLD EXTERNAL TAPERED KEY WIDTH 0.390 INCHES MINIMUM AND 0.400 INCHES MAXIMUM
FEAT SPECIAL FEATURES BOTH ANGULAR KEYS BENT 15 DEG IN OPPOSITE DIRECTION OF PREBENT KEY
ABKY EXTERNAL PREBENT KEY LENGTH 0.150 INCHES MINIMUM AND 0.160 INCHES MAXIMUM
MATT MATERIAL STEEL COMP 321 OVERALL
ABPX MATERIAL THICKNESS 0.032 INCHES MINIMUM AND 0.040 INCHES MAXIMUM
ABMM SPLIT KEY LENGTH 0.180 INCHES NOMINAL
ABLX OVERALL DISTANCE INCLUDING KEYS 0.977 INCHES MINIMUM AND 1.000 INCHES MAXIMUM
STYL STYLE DESIGNATOR KEY
CSFW ANGLE BETWEEN EXTERNAL KEYS 58.0 DEGREES MINIMUM AND 62.0 DEGREES MAXIMUM
ABKV OUTSIDE DIAMETER 0.685 INCHES MINIMUM AND 0.695 INCHES MAXIMUM
ABMQ EXTERNAL KEY QUANTITY 3

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