5310-99-008-0491
Flat Washer
5310990080491 990080491 BS4320 1FR1-01-AE60-02003 1FR101AE6002003
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
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99-458-9657Flat Washer5310994589657 994589657 BS4320 L06609000 ITEM 14 L06609000/14 U80192802 BS4320
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99-458-9657Flat Washer5310994589657 994589657 BS4320 L06609000 ITEM 14 L06609000/14 U80192802 BS4320
Restrictions 5310-99-008-0491
End Users 5310-99-008-0491
- Spain (YB)
- Canada (ZC)
- United Kingdom (ZK)
Approved Sources 5310-99-008-0491
- Part Number
- Manufacturer
- Status
- BS4320
- Manufacturer
- K7766 - Bsi Standards Limited (Active)
- Incomplete Standard
- Incomplete Standard
- 1FR1-01-AE60-02003
- U4290 - G E C Marconi S3i Ltd Combat Systems (Replaced)
- Secondary Buy
- Secondary Buy
- 1FR101AE6002003
- U4290 - G E C Marconi S3i Ltd Combat Systems (Replaced)
- NATO Reference
- NATO Reference