5330-00-045-7307 PACKING ASSORTMENT,PREFORMED Index 2520-00-045-7309 COOLER,FLUID,TRANSMISSION

National Stock Number:
5310-00-045-7308

Federal Supply Class:
5310

National Item Identification Number:
000457308

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:
6372-704939LOCKHEED MARTIN CORPORATION
6372-738597LOCKHEED MARTIN CORPORATION


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER0.120 INCHES MINIMUM AND 0.140 INCHES MAXIMUM
OVERALL DIAMETER0.330 INCHES MINIMUM AND 0.350 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONASTM B152 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALCOPPER OVERALL
PART NAME ASSIGNED BY CONTROLLING AGENCYNAVY SPECIAL PROJECT
PERIPHERAL SHAPE STYLEROUND
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTCADMIUM OVERALL
THICKNESS0.015 INCHES MINIMUM AND 0.025 INCHES MAXIMUM


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