5365-00-595-6388 SPACER,RING Index 5310-00-595-6390 WASHER,FLAT

National Stock Number:
5310-00-595-6389

Federal Supply Class:
5310

National Item Identification Number:
005956389

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:
62639D0SAT8KOMATSU AMERICA CORP.
62639D29510KOMATSU AMERICAN INTL CO
774853719207U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM
62639D31007NAVISTAR INTL CORP
62639D92679NAVISTAR INTL CORP MELROSE PARK ENGINE PLANT LOCATION /MELROSE PARK/
79-SR400411Z4117VOLVO GROUP GOVERNMENT SALES OCEANIA
SR40041101843AMBAC INTERNATIONAL CORPORATION
SR799-301843AMBAC INTERNATIONAL CORPORATION


Techincal Specification:
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER0.520 INCHES NOMINAL
OVERALL DIAMETER0.875 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-633CANC FED SPEC ALL MATERIAL RESPONSES OVERALL
MATERIALSTEEL COMP 1010 OR STEEL COMP 1020 OVERALL
PERIPHERAL SHAPE STYLEROUND
THICKNESS0.058 INCHES NOMINAL


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