5306-01-417-2540 BOLT,INTERNAL WRENCHING Index 5360-01-417-2542 SPRING,HELICAL,COMPRESSION

National Stock Number:
5310-01-417-2541

Federal Supply Class:
5310

National Item Identification Number:
014172541

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:
9W-41557 PC.NO.1609519NEW PHILADELPHIA FAN CO BUFFALO FORGE MARINE FANS
9W-41557 PC.NO.1675477FM AF, LLC


Techincal Specification:
MATERIALSTEEL OVERALL
SURFACE TREATMENTCADMIUM AND
CHROMATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416, TY2, CL3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL


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