5310-00-044-6470 WASHER,FLAT Index 5310-00-044-6485 WASHER,FLAT

National Stock Number:
5310-00-044-6477

Federal Supply Class:
5310

National Item Identification Number:
000446477

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:
88-2003330554DEPARTMENT OF DEFENSE PROJECT MANAGER-MOBILE ELECTRIC POWER
88-20033-25A30554DEPARTMENT OF DEFENSE PROJECT MANAGER-MOBILE ELECTRIC POWER
88-2056430554DEPARTMENT OF DEFENSE PROJECT MANAGER-MOBILE ELECTRIC POWER
88-20564-1230554DEPARTMENT OF DEFENSE PROJECT MANAGER-MOBILE ELECTRIC POWER
MS51412-2596906MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
DEPARTURE FROM CITED DOCUMENTAS MODIFIED BY SURFACE TREATMENT
HOLE DIAMETER0.324 INCHES MINIMUM AND 0.344 INCHES MAXIMUM
OVERALL DIAMETER0.995 INCHES MINIMUM AND 1.010 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A108 ASSN STD ALL MATERIAL RESPONSES OVERALL
MATERIALSTEEL COMP 1010 OR STEEL COMP 1015 OR STEEL COMP 1016 OR STEEL COMP 1018 OR STEEL COMP 1019 OR STEEL COMP 1020 OVERALL
NONDEFINITIVE SPEC/STD DATAA TYPE
PERIPHERAL SHAPE STYLEROUND
SURFACE TREATMENTCADMIUM OR ZINC OVERALL
THICKNESS0.059 INCHES MINIMUM AND 0.067 INCHES MAXIMUM


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