5310-01-557-6813 WASHER,LOCK Index 5310-01-557-3211 NUT,SELF-LOCKING,HEXAGON

National Stock Number:
5310-01-556-5077

Federal Supply Class:
5310

National Item Identification Number:
015565077

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:
1003936361C19MIL-COTS CORPORATION
12759-005100Y3H3FASTENAL COMPANY
402220Y3H3FASTENAL COMPANY
1829863C1338X5ND DEFENSE LLC
1829863C189346NAVISTAR INTL CORP TRUCK BR OHIO PLANT


Techincal Specification:
PART NAME ASSIGNED BY CONTROLLING AGENCYWASHER,FLAT M8


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