5310-01-041-3587 WASHER,FLAT Index 5310-01-041-3589 WASHER,FLAT

National Stock Number:
5310-01-041-3588

Federal Supply Class:
5310

National Item Identification Number:
010413588

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:
1272651-255972HONEYWELL INTL INC DEFENSE AVIONICS SYSTEMS


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER0.313 INCHES MINIMUM AND 0.316 INCHES MAXIMUM
OVERALL DIAMETER0.437 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-5059,COND A,1/4 HARD MIL SPEC 1ST MATERIAL RESPONSE OR FBE-30905-5,FSC-19315 MFR REF 2ND MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 302 OR STEEL CORROSION RESISTING OVERALL
PERIPHERAL SHAPE STYLEROUND
THICKNESS0.030 INCHES MINIMUM AND 0.032 INCHES MAXIMUM


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