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Part Number

Part Number:
NSN:
NIIN:
Item Name:
WASHER , SHOULDERED AND RECESSED

Definition:

A WASHER, ROUND IN SHAPE, HAVING A CENTRALLY LOCATED HOLE. ONE BEARING SURFACE IS FLAT, THE OTHER SURFACE IS IN THE FORM OF A RAISED SHOULDER (BOSS) HAVING A FLAT BEARING SURFACE. EITHER OR BOTH OF THE BEARING SURFACES MUST BE BROKEN BY A COUNTERBORE, COUNTERSINK, OR SIMILAR SHAPED RECESS. THE THICKNESS OF THE SHOULDER (BOSS) MUST NOT EXCEED 25 PERCENT OF THE SHOULDER (BOSS) DIAMETER. FOR ITEMS HAVING A SHOULDER (BOSS) OF GREATER THICKNESS, USE BEARING, SLEEVE; BUSHING, SLEEVE; OR SPACER, SLEEVE. EXCLUDES INSULATOR, WASHER AND THRUST TYPE WASHERS.

CAGE Information

Code Company
10001 NAVAIR AND NAVSEA MANAGED ORIGINAL D

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
FEAT SPECIAL FEATURES WASHER STYLE:NO.13;HARDNESS RATING:NOT RATED;
FEAT SPECIAL FEATURES WASHER STYLE:NO.13;HARDNESS RATING:NOT RATED;
ABKV OUTSIDE DIAMETER 1.060 INCHES MINIMUM AND 1.070 INCHES MAXIMUM
ABMH RECESS DEPTH 0.275 INCHES MINIMUM AND 0.280 INCHES MAXIMUM
ABMD RECESS DIAMETER 0.750 INCHES NOMINAL
ABPX MATERIAL THICKNESS 0.153 INCHES MINIMUM AND 0.155 INCHES MAXIMUM
MDCL MATERIAL DOCUMENT AND CLASSIFICATION QQ-A-225/8 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
ABMG SHOULDER HEIGHT 0.122 INCHES MINIMUM AND 0.125 INCHES MAXIMUM
MATT MATERIAL ALUMINUM ALLOY 6061 OVERALL
AAVH SHOULDER DIAMETER 0.8750 INCHES MINIMUM AND 0.8755 INCHES MAXIMUM
AAUB HOLE DIAMETER 0.375 INCHES NOMINAL

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