5340-00-990-9977 BUTTON,PLUG Index 7520-00-990-9994 MARKER,TUBE TYPE

National Stock Number:
5310-00-990-9982

Federal Supply Class:
5310

National Item Identification Number:
009909982

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:
139367-00081413BAE SYSTEMS INFORMATION AND ELECTRONIC SYSTEMS INTEGRATION INC.
34601603110AZURE MOON TRADING CORP DBA MICROFLAME
34601628691NAVAL SHORE ELECTRONICS ENGINEERING ACTIVITY 1ST NAVAL DISTRICT
34601677445RTX CORPORATION
39367-00081413BAE SYSTEMS INFORMATION AND ELECTRONIC SYSTEMS INTEGRATION INC.


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER0.171 INCHES NOMINAL
OVERALL DIAMETER0.270 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-5059,COND 1/4 HARD MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 302 OVERALL
PERIPHERAL SHAPE STYLEROUND
SURFACE TREATMENTPASSIVATE OVERALL
THICKNESS0.031 INCHES NOMINAL


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