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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
3903723 56878 A 5 2 5 ZZ
3903723 86928 A 5 9 5 ZZ
SP126G K7766 A 3 2 5 KE
99-9459071 99995 R 6 9 9 KE

CAGE Information

Code Company
56878 SPS TECHNOLOGIES LLC DBA AEROSPACE D
86928 SEASTROM MANUFACTURING CO. INC. DBA
K7766 BRITISH STANDARDS INSTITUTION
99995 NATO STOCK NUMBER ASSIGNED BY ANOTHE

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 ASTM A29, UNS G15260 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
AAGR CROSS-SECTIONAL SHAPE STYLE RECTANGULAR
ABMX CENTER HOLE SHAPE STYLE ROUND
CQFM HARDNESS RATING 21.2 ROCKWELL C MINIMUM AND 24.7 ROCKWELL C MAXIMUM
MATT MATERIAL STEEL COMP 1524 OVERALL
ADAV OVERALL DIAMETER 0.5671 INCHES MINIMUM AND 0.5871 INCHES MAXIMUM
AAUB HOLE DIAMETER 0.3300 INCHES MINIMUM AND 0.3400 INCHES MAXIMUM
ABMW PERIPHERAL SHAPE STYLE ROUND
ABNM THICKNESS 0.0180 INCHES MINIMUM AND 0.0220 INCHES MAXIMUM
SFTT SURFACE TREATMENT CADMIUM OVERALL

Similar Parts

3903723 , 3903723 , 5310-00-471-6451 , 5310004716451 , 004716451 , 3903723 , 3903723 , SP126G , 99-9459071 ,