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National Stock Number:
5310-01-533-5638
Federal Supply Class:
5310
National Item Identification Number:
015335638
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.
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Manufacturer Information:
| 05-1-17-161-0FL | 3AX04 | STRATUS SYSTEMS, INC. | | 6PU12 | 25795 | W.W. GRAINGER, INC. | | 7013204 | 0MLM6 | MARINE CORPS SYSTEMS COMMAND PROGRAM MANAGER ASSAULT AMPHIBIOUS VEHICLE | | 98023A029 | 39428 | MCMASTER-CARR SUPPLY CO |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | COLOR | YELLOW OVERALL | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | HOLE DIAMETER | 0.281 INCHES NOMINAL | | OVERALL DIAMETER | 0.625 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | ANSI B18.22.1 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL OVERALL | | PERIPHERAL SHAPE STYLE | ROUND | | SPECIAL FEATURES | SAE HIGH-STRENGTH FLAT WASHER 1/4" SCREW SZ; MADE OF TOP-QUALITY C1040-1050 STEEL; CORROSION RESISTANT; IDENTIFIED WITH AN MC QUALITY MARK; ASSAULT HOSELINE SYSTEM | | SURFACE TREATMENT | CHROMATE ZINC OVERALL | | THICKNESS | 0.055 INCHES MINIMUM AND 0.072 INCHES MAXIMUM |
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