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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
S6135-20658-1 78286 A 5 9 2 SB
S6135-20658-001 78286 A 3 2 2 ZZ

CAGE Information

Code Company
78286 SIKORSKY AIRCRAFT CORPORATION

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
SFTT SURFACE TREATMENT OXIDE OVERALL
SFTT SURFACE TREATMENT OXIDE OVERALL
ABNM THICKNESS 0.250 INCHES NOMINAL
CQFM HARDNESS RATING 44.0 ROCKWELL C MINIMUM AND 48.0 ROCKWELL C MAXIMUM
MATT MATERIAL STEEL COMP 4340 OVERALL
AAGR CROSS-SECTIONAL SHAPE STYLE RECTANGULAR
ABMX CENTER HOLE SHAPE STYLE ROUND
ADAV OVERALL DIAMETER 2.437 INCHES NOMINAL
STDC SURFACE TREATMENT DOCUMENT AND CLASSIFICATION MIL-C-13924 CL 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
ABMW PERIPHERAL SHAPE STYLE ROUND
AAUB HOLE DIAMETER 1.768 INCHES NOMINAL
MDCL MATERIAL DOCUMENT AND CLASSIFICATION MIL-S-5000 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
CSYM SURFACE FINISH 100.0 MICROINCHES ALL SURFACES

Similar Parts

S6135-20658-001 , S613520658001 , 5310-00-400-1346 , 5310004001346 , 004001346 , S6135-20658-1 , S6135-20658-001 ,