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Part Number:
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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
78286 SIKORSKY AIRCRAFT CORPORATION

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
ABKV OUTSIDE DIAMETER 2.012 INCHES NOMINAL
ABKV OUTSIDE DIAMETER 2.012 INCHES NOMINAL
MDCL MATERIAL DOCUMENT AND CLASSIFICATION QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
AAUB HOLE DIAMETER 1.690 INCHES MINIMUM AND 1.696 INCHES MAXIMUM
ABLC EXTERNAL STRAIGHT KEY WIDTH 0.219 INCHES NOMINAL
STYL STYLE DESIGNATOR KEY
ABLX OVERALL DISTANCE INCLUDING KEYS 2.625 INCHES NOMINAL
AATB WIDTH BETWEEN FLATS 1.594 INCHES MINIMUM AND 1.599 INCHES MAXIMUM
ABMQ EXTERNAL KEY QUANTITY 15
ABPX MATERIAL THICKNESS 0.056 INCHES NOMINAL

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