5310-15-188-2247 WASHER,LOCK 5305-15-188-2249 SETSCREW

National Stock Number:
5310-15-188-2248

Federal Supply Class:
5310

National Item Identification Number:
151882248

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:
(241)A0199210878326
18X48UNI6593FE360B-7070ZNNIA2666UNI ENTE NAZIONALE ITALIANO DI UNIFICAZIONE
210878326A0199FINMECCANICA SPA


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