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National Stock Number:
5310-01-474-8790
Federal Supply Class:
5310
National Item Identification Number:
014748790
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:
| 1550301 | 10001 | NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER | | 1550301-44 | 10001 | NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER | | 1603000-B | 10001 | NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER | | 1603000-B | 45738 | OXY METAL INDUSTRIES CORP PARKER CO THE | | 1550301-44 | 53711 | NAVAL SEA SYSTEMS COMMAND | | 1550301-44 | D9182 | ZF INDUSTRIEANTRIEBE WITTEN GMBH | | TECTYL 848D HF | 0YMU2 | DAUBERT CHEMICAL COMPANY, INC. | | LONE STAR L.S.-5941 | 1LZ92 | LONGHORN STATE ENTERPRISE, INC | | TECTYL 848D | 72527 | VALVOLINE INC DIV OEM GROUP | | TECTYL 848D HF | 7X108 | DAUBERT CHEMICAL CO | | 1603000-B | 80066 | ORDNANCE BUREAU OF U S GOVT | | KRONAPLATE 5941 | 8F024 | METAL IMPROVEMENT CO LLC |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | HARDNESS RATING | 38.0 ROCKWELL C MINIMUM AND 42.0 ROCKWELL C MAXIMUM | | HOLE DIAMETER | 0.640 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | AISI E4140,UNS G41400 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | OVERALL DIAMETER | 1.250 INCHES NOMINAL | | MATERIAL | STEEL OVERALL | | PERIPHERAL SHAPE STYLE | ROUND | | SURFACE FINISH | 250.0 MICROINCHES ALL SURFACES | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | DOD-P-16232,TYPE M,CLASS 1 ASSN STD SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | PHOSPHATE OVERALL | | THICKNESS | 0.187 INCHES NOMINAL |
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