5310-01-393-3734 WASHER,FLAT Index 5306-01-393-3736 BOLT,MACHINE

National Stock Number:
5310-01-393-3735

Federal Supply Class:
5310

National Item Identification Number:
013933735

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:
90313A10439428MCMASTER-CARR SUPPLY CO
A315571280063US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER0.193 INCHES MINIMUM AND 0.213 INCHES MAXIMUM
PERIPHERAL SHAPE STYLEROUND
MATERIALSTEEL CORROSION RESISTING OVERALL
OVERALL DIAMETER0.970 INCHES MINIMUM AND 1.030 INCHES MAXIMUM
THICKNESS0.040 INCHES MINIMUM AND 0.060 INCHES MAXIMUM


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