5330-01-484-4038 GASKET Index 5305-01-484-4040 SCREW,MACHINE

National Stock Number:
5310-01-484-4039

Federal Supply Class:
5310

National Item Identification Number:
014844039

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:
435130528HOLLINGSEAD INTERNATIONAL, LLC
4351-130528HOLLINGSEAD INTERNATIONAL, LLC
5710-8-20P86928SEASTROM MANUFACTURING CO INC


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER0.099 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-766,301 FED SPEC 1ST MATERIAL RESPONSE OVERALL OR QQ-S-766,302 FED SPEC 2ND MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 301 OVERALL OR STEEL COMP 302 OVERALL
PERIPHERAL SHAPE STYLEROUND
PROPRIETARY CHARACTERISTICSPACS
OVERALL DIAMETER0.255 INCHES NOMINAL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-S-5002 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
THICKNESS0.020 INCHES NOMINAL


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