5310-01-438-8423 WASHER,FLAT Index 5330-01-438-8425 GASKET

National Stock Number:
5310-01-438-8424

Federal Supply Class:
5310

National Item Identification Number:
014388424

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:
8450-9594120AQUALUNG USA, INC
8450-95K8011MIDLAND DIVING EQUIPMENT LIMITED
DP10988K1806MINISTRY OF DEFENCE, DE&S UNDERWATER AND ELECTRONIC WARFARE PT (UEW IPT)
DP10988KCTY1MINISTRY OF DEFENCE, DE&S UNDERWATER AND ELECTRONIC WARFARE PT (UEW IPT)


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