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National Stock Number:
5310-01-134-8744
Federal Supply Class:
5310
National Item Identification Number:
011348744
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:
| 11781308 | 19200 | US ARMY ARDEC RDECOM | | 11781308-5 | 19200 | US ARMY ARDEC RDECOM | | 11781308-5 | 51506 | ACCURATE SCREW MACHINE CORP | | 11781308-5 | 55566 | MATTHEW WARREN, INC | | 5610-122-040 | 86928 | SEASTROM MANUFACTURING CO INC | | 5610-122-31 | 86928 | SEASTROM MANUFACTURING CO INC | | 7141246-5 | 06481 | NORTHROP GRUMMAN SYSTEMS CORPORATION | | 7141246-5 | 17863 | LITTON SYSTEMS INC GUIDANCE AND CONTROL SYSTEMS DIV | | 5610-122-40 | 86928 | SEASTROM MANUFACTURING CO INC |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | HOLE DIAMETER | 0.255 INCHES MINIMUM AND 0.265 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | L-P-410,TY 6/6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | PLASTIC POLYHEXAMETHYLENE ADIPAMIDE OVERALL | | PERIPHERAL SHAPE STYLE | ROUND | | PROPRIETARY CHARACTERISTICS | PACS | | OVERALL DIAMETER | 0.334 INCHES MINIMUM AND 0.354 INCHES MAXIMUM | | THICKNESS | 0.029 INCHES MINIMUM AND 0.033 INCHES MAXIMUM |
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