5310-00-953-3850 WASHER,FLAT Index 2840-00-953-3852 BRACKET,MAIN IGNITI

National Stock Number:
5310-00-953-3851

Federal Supply Class:
5310

National Item Identification Number:
009533851

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:
00603-214153DEFENSE LOGISTICS AGENCY DBA DEFENSE SUPPLY CENTER PHILADELPHIA
65104-11038-10378286SIKORSKY AIRCRAFT CORPORATION


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER0.757 INCHES MINIMUM AND 0.770 INCHES MAXIMUM
OVERALL DIAMETER1.312 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5643 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL OVERALL
PERIPHERAL SHAPE STYLEROUND
SURFACE FINISH90.0 MICROINCHES OUTER
SURFACE FINISH90.0 MICROINCHES BOTTOM
SURFACE FINISH90.0 MICROINCHES TOP
SURFACE TREATMENTPASSIVATE OVERALL
THICKNESS0.094 INCHES MINIMUM AND 0.099 INCHES MAXIMUM


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