5310-99-663-9405
Flat Washer
5310996639405 996639405 BS4320-FORM A STAN/99-21-01-0005 FV 3005872 FL9804A0037
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. View more Flat Washer
January 2023
1
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Restrictions 5310-99-663-9405
End Users 5310-99-663-9405
- United Kingdom (ZK)
Approved Sources 5310-99-663-9405
- Part Number
- Manufacturer
- Status
- BS4320-FORM A
- Manufacturer
- K7766 - Bsi Standards Limited (Active)
- Incomplete Standard
- Incomplete Standard
- STAN/99-21-01-0005
- K6367 - Bae Systems Global Combat Systems (Replaced)
- Secondary Buy
- Secondary Buy
- FV 3005872
- U0795 - Qinetiq (Active)
- Secondary Buy
- Secondary Buy
- FL9804A0037
- U9017 - Ministry Of Defence (Army) (Active)
- NATO Reference
- NATO Reference