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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
84955 KAMAN AEROSPACE CORPORATION DBA HELI

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
ABMR INTERNAL KEY QUANTITY 1
ABMR INTERNAL KEY QUANTITY 1
ABLF EXTERNAL PREBENT KEY WIDTH 0.205 INCHES MINIMUM AND 0.235 INCHES MAXIMUM
MATT MATERIAL STEEL COMP 4130 OVERALL
ABKV OUTSIDE DIAMETER 2.000 INCHES MINIMUM AND 2.030 INCHES MAXIMUM
ABPX MATERIAL THICKNESS 0.058 INCHES MINIMUM AND 0.068 INCHES MAXIMUM
ABLB INTERNAL PREBENT KEY LENGTH 0.215 INCHES MINIMUM AND 0.235 INCHES MAXIMUM
AAUB HOLE DIAMETER 1.583 INCHES MINIMUM AND 1.603 INCHES MAXIMUM
STYL STYLE DESIGNATOR KEY
MDCL MATERIAL DOCUMENT AND CLASSIFICATION MIL-S-18729 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
ABLX OVERALL DISTANCE INCLUDING KEYS 2.469 INCHES NOMINAL
CQBC MINIMUM TENSILE STRENGTH 55 POUNDS PER SQUARE INCH
ABMQ EXTERNAL KEY QUANTITY 15
SFTT SURFACE TREATMENT CADMIUM OVERALL AND CHROMATE OVERALL
ABLK INTERNAL PREBENT KEY WIDTH 0.250 INCHES MINIMUM AND 0.290 INCHES MAXIMUM
STDC SURFACE TREATMENT DOCUMENT AND CLASSIFICATION QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
CQFM HARDNESS RATING 60.0 ROCKWELL B MINIMUM AND 70.0 ROCKWELL B MAXIMUM

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