5310-00-139-7318 WASHER,FLAT Index 5305-00-139-7322 SCREW

National Stock Number:
5310-00-139-7319

Federal Supply Class:
5310

National Item Identification Number:
001397319

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:
6634724930L3HARRIS TECHNOLOGIES, INC


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER0.880 INCHES MINIMUM AND 0.890 INCHES MAXIMUM
OVERALL DIAMETER1.469 INCHES MINIMUM AND 1.531 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 303 OVERALL
PERIPHERAL SHAPE STYLEROUND
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONGPS10-030,FSCM 24930 MFR REF SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
THICKNESS0.031 INCHES MINIMUM AND 0.034 INCHES MAXIMUM


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