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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
2074181-2310 27914 A 3 2 5 SB
82278 49671 F 5 9 X XX
82278 21921 F 5 9 X XX
835 58250 A 5 2 X XX
FFW92TYPEAGRADE1CLASSE 81348 M 4 1 E XX

CAGE Information

Code Company
21921 RCA CORP DISTRIBUTOR AND SPECIAL PRO
27914 HONEYWELL INTERNATIONAL INC DBA HONE
49671 LOCKHEED MARTIN CORP LOCKHEED MARTIN
58250 BALLANTYNE OF OMAHA INC.
81348 FEDERAL SPECIFICATIONS PROMULGATED B

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
ABNM THICKNESS 0.051 INCHES MINIMUM AND 0.080 INCHES MAXIMUM
ABNM THICKNESS 0.051 INCHES MINIMUM AND 0.080 INCHES MAXIMUM
MDCL MATERIAL DOCUMENT AND CLASSIFICATION QQ-B-613 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
AAGR CROSS-SECTIONAL SHAPE STYLE RECTANGULAR
ABMX CENTER HOLE SHAPE STYLE ROUND
AAUB HOLE DIAMETER 0.250 INCHES NOMINAL
ZZZT NONDEFINITIVE SPEC/STD DATA I GRADE AND A TYPE AND E CLASS
ABMW PERIPHERAL SHAPE STYLE ROUND
MATT MATERIAL COPPER ALLOY 268 OVERALL
ADAV OVERALL DIAMETER 0.625 INCHES NOMINAL
SFTT SURFACE TREATMENT NICKEL OVERALL

Similar Parts

82278 , 82278 , 5310-00-264-0699 , 5310002640699 , 002640699 , 2074181-2310 , 82278 , 82278 , 835 , FFW92TYPEAGRADE1CLASSE ,