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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
210915 03956 A 3 2 5 KZ
328667 56232 A E 8 5 ZZ
328667 03956 A E 8 A KZ
2W1C25-22-32 43999 A C 1 E TU AB
S107-4 26126 A 5 9 5 KZ
210915 56232 A 5 9 X XX
12M3570-17 81755 A 5 9 5 KZ

CAGE Information

Code Company
03956 NORTHROP GRUMMAN SYSTEMS CORPORATION
56232 LOCKHEED MARTIN CORPORATION DBA LOCK
43999 BOEING COMPANY THE DBA BOEING DIV DE
26126 BURTON MEDICAL PRODUCTS CORPORATION
81755 LOCKHEED MARTIN CORPORATION DBA LOCK

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
MDCL MATERIAL DOCUMENT AND CLASSIFICATION QQ-S-766 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MDCL MATERIAL DOCUMENT AND CLASSIFICATION QQ-S-766 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATT MATERIAL STEEL COMP 302 OVERALL
AAGR CROSS-SECTIONAL SHAPE STYLE RECTANGULAR
ABMX CENTER HOLE SHAPE STYLE ROUND
CQFM HARDNESS RATING 94.0 ROCKWELL C NOMINAL
ABNM THICKNESS 0.032 INCHES NOMINAL
ABMW PERIPHERAL SHAPE STYLE ROUND
AAUB HOLE DIAMETER 0.380 INCHES MINIMUM AND 0.390 INCHES MAXIMUM
ADAV OVERALL DIAMETER 0.672 INCHES MINIMUM AND 0.703 INCHES MAXIMUM
SFTT SURFACE TREATMENT PASSIVATE OVERALL

Similar Parts

210915 , 210915 , 5310-00-217-1994 , 5310002171994 , 002171994 , 210915 , 328667 , 328667 , 2W1C25-22-32 , S107-4 , 210915 , 12M3570-17 ,