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National Stock Number:
5310-01-221-8704
Federal Supply Class:
5310
National Item Identification Number:
012218704
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:
| 1H0099-HX4-4010 | 14153 | DEFENSE LOGISTICS AGENCY DBA DEFENSE SUPPLY CENTER PHILADELPHIA | | 772D435H20 NCP | 04808 | CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION | | 772D435H20 NO CD PL | 04808 | CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION | | FF-W-92 | 81348 | FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC | | FF-W-92 TY A GR I CL B | 81348 | FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC | | LO1678 | 16236 | DLA LAND AND MARITIME DBA ENGINEERING AND TECHNICAL SUPPORT DIV DOCUMENT STANDARDIZATION DIVISION (VENDOR ITEM DRAWINGS) |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | HOLE DIAMETER | 0.515 INCHES MINIMUM AND 0.547 INCHES MAXIMUM | | OVERALL DIAMETER | 0.922 INCHES MINIMUM AND 0.954 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD ALL MATERIAL RESPONSES OVERALL | | MATERIAL | STEEL COMP 301 OR STEEL COMP 302 OR STEEL COMP 316 OVERALL | | PERIPHERAL SHAPE STYLE | ROUND | | THICKNESS | 0.046 INCHES MINIMUM AND 0.078 INCHES MAXIMUM |
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