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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
1550301-3 D9182 A C 1 6 ZZ AC
1550301-3 53711 A 3 2 E ZZ
1550301 10001 A 5 9 A ZZ

CAGE Information

Code Company
10001 NAVAIR AND NAVSEA MANAGED ORIGINAL D
D9182 BOSCH REXROTH GMBH LOHMANN STOLTERFO
53711 NAVAL SEA SYSTEMS COMMAND

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
CSYM SURFACE FINISH 250.0 MICROINCHES ALL SURFACES
AAGR CROSS-SECTIONAL SHAPE STYLE RECTANGULAR
ABMX CENTER HOLE SHAPE STYLE ROUND
ABNM THICKNESS 0.093 INCHES NOMINAL
CQFM HARDNESS RATING 38.0 ROCKWELL C MINIMUM AND 42.0 ROCKWELL C MAXIMUM
MATT MATERIAL STEEL OVERALL
ABMW PERIPHERAL SHAPE STYLE ROUND
ADAV OVERALL DIAMETER 0.875 INCHES NOMINAL
SFTT SURFACE TREATMENT PHOSPHATE OVERALL
AAUB HOLE DIAMETER 0.531 INCHES NOMINAL
MDCL MATERIAL DOCUMENT AND CLASSIFICATION AISI E4140,UNS G41400 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
STDC SURFACE TREATMENT DOCUMENT AND CLASSIFICATION DOD-P-16232,TYPE M,CLASS 1 ASSN STD SINGLE TREATMENT RESPONSE OVERALL

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