5310-01-176-8411 WASHER,FLAT Index 5310-01-176-8413 WASHER,SPRING TENSION

National Stock Number:
5310-01-176-8412

Federal Supply Class:
5310

National Item Identification Number:
011768412

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:
1959M37G0107482GENERAL ELECTRIC COMPANY
7038M75P0107482GENERAL ELECTRIC COMPANY
NE-4000224664JONAL LABORATORIES INC


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER0.254 INCHES MINIMUM AND 0.272 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONAMS5516 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL CORROSION RESISTING OVERALL
PERIPHERAL SHAPE STYLEROUND
PROPRIETARY CHARACTERISTICSPACS
OVERALL DIAMETER0.740 INCHES MINIMUM AND 0.750 INCHES MAXIMUM
SPECIAL FEATURESWASHER MOLDED IN RUBBER TO FORM AN ASSEMBLY;RUBBER:A50TF156 CL-A(FLUOROCARBON RUBBER SEALING DEVICE)
THICKNESS0.168 INCHES MINIMUM AND 0.178 INCHES MAXIMUM


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