5305-99-136-6058 SCREW,CAP,SOCKET HEAD Index 5305-99-136-6061 SCREW,CAP,SOCKET HEAD

National Stock Number:
5310-99-136-6059

Federal Supply Class:
5310

National Item Identification Number:
991366059

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:
27C20045K1368DEFENCE CLOTHING TEAM, TEAM LEIDOS
8S3410K7766BRITISH STANDARDS INSTITUTION
8S3410 1961K7766BRITISH STANDARDS INSTITUTION
BS3410K7766BRITISH STANDARDS INSTITUTION
8S3410TABLE1010088A25 ST:EN2U4555MINISTRY OF DEFENCE ARMY


Techincal Specification:
DIAMETER0.094 INCHES MINIMUM AND 0.099 INCHES MAXIMUM
MATERIALSTEEL
THICKNESS0.020 INCHES NOMINAL


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