5310-00-262-4487 WASHER,FLAT Index 1560-00-262-4490 FORMER,AIRCRAFT

National Stock Number:
5310-00-262-4489

Federal Supply Class:
5310

National Item Identification Number:
002624489

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:
C3688111976CHICAGO PNEUMATIC TOOL CO
C3688188387CHICAGO PNEUMATIC TOOL CO
C3688188687CHICAGO PNEUMATIC TOOL CO


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