5998-01-520-4150 CIRCUIT CARD ASSEMBLY Index 5340-01-520-4152 PLATE,MOUNTING

National Stock Number:
5310-01-520-4151

Federal Supply Class:
5310

National Item Identification Number:
015204151

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:
H4S100461QYC9ATLANTIC FASTENERS CO LLC
P021-0882-0111214HARDIGG INDUSTRIES, LLC
P200-001811214HARDIGG INDUSTRIES, LLC


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER0.192 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONASTM-A666-96 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 304 OVERALL
III PART NAME ASSIGNED BY CONTROLLING AGENCYWASHER, RIVET BACK-UP
PERIPHERAL SHAPE STYLEROUND
PROPRIETARY CHARACTERISTICSPACS
OVERALL DIAMETER0.370 INCHES NOMINAL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONSAE-AMS-QQ-P-35 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
THICKNESS0.043 INCHES MINIMUM AND 0.062 INCHES MAXIMUM


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