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National Stock Number (NSN) Output Data

NSN:
NIIN:
Item Name:
WASHER , FLAT

Definition:

A WASHER HAVING A CENTRALLY LOCATED HOLE WITH A SOLID OR LAMINATED CROSS-SECTION AND TWO FLAT PARALLEL BEARING SURFACES. THE HOLE MUST BE 75 PERCENT OR LESS THAN THE LARGEST DIMENSION AND THE BEARING SURFACE FINISH IS GREATER THAN 32 MICROINCH (0.8 MICROMETER). THE THICKNESS CANNOT EXCEED 25 PERCENT OF THE LARGEST OUTSIDE DIMENSION. WHEN THE LARGEST OUTSIDE DIMENSION IS LESS THAN 1/4 INCH OR 6MM, THE THICKNESS MUST BE 0.006 INCHES (0.15MM) OR GREATER AND FOR ITEMS 1/4 INCH (6MM) OR LARGER, THE THICKNESS MUST BE 0.016 INCHES (0.4MM) OR GREATER. THE MAXIMUM TOLERANCE IS APPLIED TO DIMENSIONS AND USED AS A DETERMINING FACTOR. ITEMS WITH SEPARABLE LAMINATION USE SHIM. FOR ITEMS FABRICATED FROM CERAMIC OR ELECTRICALLY RATED MATERIALS BY SPECIFICATION OR INDUSTRY STANDARDS USE INSULATOR (1), WASHER. EXCLUDES DISK, VALVE, GRAPHITE IMPREGNATED AND LUBRICATED ITEMS.

Reference/Part Number

Part Number CAGE Status RNCC RNVC DAC RNAAC MSDS SADC
7312-4018-1 12115 A 3 2 6 9Z

CAGE Information

Code Company
12115 DRS ICAS LLC

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, SWITCH KEYING-SLOTTED AT ONE END, WIDTH OF SLOT .067 POM .003, HOLE CENTER TO THE END OF SLOT RADIUS .250, LENGTH OF KEY .023 PLUS .005 OR MINUS .002, WIDTH OF KEY .030 TO .035, CENTER OF HOLE FROM SLOTTED END .340
ASDB WIDTH ACROSS FLATS 0.310 INCHES MINIMUM AND 0.370 INCHES MAXIMUM
AGAV END ITEM IDENTIFICATION AN/APN-169B
ABRY LENGTH 0.510 INCHES MINIMUM AND 0.570 INCHES MAXIMUM
MDCL MATERIAL DOCUMENT AND CLASSIFICATION QQ-B-613, COMP 1 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
AAGR CROSS-SECTIONAL SHAPE STYLE RECTANGULAR
ABMX CENTER HOLE SHAPE STYLE ROUND
ABMW PERIPHERAL SHAPE STYLE RECTANGULAR
ABNM THICKNESS 0.032 INCHES NOMINAL
AAUB HOLE DIAMETER 0.250 INCHES MINIMUM AND 0.256 INCHES MAXIMUM
MATT MATERIAL COPPER ALLOY 268 OVERALL
SFTT SURFACE TREATMENT NICKEL OVERALL

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