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National Stock Number:
5310-00-205-8991
Federal Supply Class:
5310
National Item Identification Number:
002058991
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:
| 10-192 | 30040 | TELECTRO SYSTEMS CORP | | FF-W-92 | 81348 | FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC | | SMB183153 | 80063 | US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR |
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Techincal Specification:
| MATERIAL | STEEL OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-698 FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | CADMIUM OR | | CHROMIUM OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-F-14072 MIL SPEC 2ND TREATMENT RESPONSE OVERALL | | CENTER HOLE SHAPE STYLE | ROUND | | HOLE DIAMETER | 0.260 INCHES MINIMUM AND | | 0.270 INCHES MAXIMUM | | PERIPHERAL SHAPE STYLE | ROUND | | OVERALL DIAMETER | 0.370 INCHES MINIMUM AND | | 0.375 INCHES MAXIMUM | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | THICKNESS | 0.035 INCHES MINIMUM AND | | 0.045 INCHES MAXIMUM | | SPEC/STD CONTROLLING DATA | | | MANUFACTURERS CODE | 81348 | | NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | FF-W-92 |
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