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National Stock Number (NSN) Output Data

NSN:
NIIN:
Item Name:
WASHER , RECESSED

Definition:

A WASHER OF ANY PERIPHERAL SHAPE HAVING A CENTRALLY LOCATED HOLE. BOTH BEARING SURFACES ARE PARALLEL AND FLAT, BUT ONE OR BOTH OF THE BEARING SURFACES MUST BE BROKEN BY A COUNTERBORE, COUNTERSINK, OR SIMILARLY SHAPED RECESS. THE THICKNESS MUST NOT EXCEED 25 PER CENT OF THE OUTSIDE DIAMETER OR THE LARGEST OUTSIDE DIMENSION. THE MAXIMUM LIMIT OF THE TOLERANCE OR RANGE APPLIED TO THE THICKNESS AND/OR LARGEST OUTSIDE DIMENSION MUST BE USED TO DETERMINE COMPLIANCE. EXCLUDES WASHER, CONCAVE, RETAINER, PACKING, AND THRUST TYPE WASHERS. SEE ALSO SPACER, SLEEVE; AND SPACER, STEPPED.

Reference/Part Number

Part Number CAGE Status RNCC RNVC DAC RNAAC MSDS SADC
K19301-5 15653 A 3 2 5 KZ
K19301-5 F7652 A 5 2 4 ZF
K19301-5 75237 A 5 9 5 KZ

CAGE Information

Code Company
15653 ALCOA GLOBAL FASTENERS INC.
F7652 B E AEROSPACE CONSUMABLES MANAGEMENT
75237 ALCOA GLOBAL FASTENERS INC. DBA ALCO

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 0.610 INCHES MAXIMUM
ABPX MATERIAL THICKNESS 0.095 INCHES MINIMUM AND 0.125 INCHES MAXIMUM
ABMD RECESS DIAMETER 0.449 INCHES MINIMUM AND 0.479 INCHES MAXIMUM
CSTM RECESS ANGLE 0.360 DEGREES MINIMUM AND 0.390 DEGREES MAXIMUM
MATT MATERIAL STEEL OVERALL
AAUB HOLE DIAMETER 0.391 INCHES MINIMUM AND 0.421 INCHES MAXIMUM
STYL STYLE DESIGNATOR RECESS
SFTT SURFACE TREATMENT CADMIUM OVERALL AND CHROMATE OVERALL
STDC SURFACE TREATMENT DOCUMENT AND CLASSIFICATION QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL

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