5310-00-143-6384 WASHER,FLAT Index 5310-00-143-6387 WASHER,SPRING TENSION

National Stock Number:
5310-00-143-6385

Federal Supply Class:
5310

National Item Identification Number:
001436385

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:
AS10541903950NAVAL INVENTORY CONTROL POINT MECHANICSBURG
AS10541990299CHICAGO PNEUMATIC TOOL CO


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER0.365 INCHES MINIMUM AND 0.375 INCHES MAXIMUM
OVERALL DIAMETER1.180 INCHES MINIMUM AND 1.187 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONVELLUMOID,FSCM 17486 MFR REF SINGLE MATERIAL RESPONSE OVERALL
MATERIALPAPER OVERALL
PART NAME ASSIGNED BY CONTROLLING AGENCYNAVY SPECIAL PROJECT
PERIPHERAL SHAPE STYLEROUND
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONST-7 FSCM 90299 MFR REF SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTVARNISH OVERALL
THICKNESS0.031 INCHES NOMINAL


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