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National Stock Number:
5310-01-117-5064
Federal Supply Class:
5310
National Item Identification Number:
011175064
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:
| 2632-915X5 PC 18 | 96169 | ELECTRIC BOAT CORPORATION | | 2632-915X5 PIECE 18 | 28968 | CIRCOR INSTRUMENTATION TECHNOLOGIES, INC. | | 270-8 | 28968 | CIRCOR INSTRUMENTATION TECHNOLOGIES, INC. | | 5310PL0632996 | 9009H | INSPEKTORAT WSPARCIA SIL ZBROJNYCH |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | HOLE DIAMETER | 0.255 INCHES MINIMUM AND 0.258 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM D 789 53I COMP 1 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | PLASTIC POLYAMIDE NYLON OVERALL | | PERIPHERAL SHAPE STYLE | ROUND | | OVERALL DIAMETER | 0.490 INCHES MINIMUM AND 0.494 INCHES MAXIMUM | | THICKNESS | 0.028 INCHES MINIMUM AND 0.034 INCHES MAXIMUM |
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