5310-01-189-3802 WASHER,FLAT Index 5310-01-189-3804 WASHER,FLAT

National Stock Number:
5310-01-189-3803

Federal Supply Class:
5310

National Item Identification Number:
011893803

Description:
WASHER,FLAT

Detail:
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.


Manufacturer Information:
75A667264-2001K0289BRITISH AEROSPACE MILITARY AIRCRAFT & AEROSTRUCTURES
75A667264-2001K1987BAE SYSTEMS PLC
75A667264-2001U9143BAE SYSTEMS (OPERATIONS) LIMITED


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER0.190 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONS526 FSCM K0289 MFR REF SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL CORROSION RESISTING OVERALL
PERIPHERAL SHAPE STYLEDEE
PROPRIETARY CHARACTERISTICSPACS
SPECIAL FEATURES0.300 IN. FROM HOLE CENTER TO FLAT,RADIUS FLAT END 0.105 IN.
WIDTH0.550 INCHES NOMINAL
THICKNESS0.105 INCHES NOMINAL


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