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National Stock Number:
5310-00-684-2731
Federal Supply Class:
5310
National Item Identification Number:
006842731
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:
| 1283-5 | 91069 | SEARLE LEATHER AND PACKING CO | | 133814 | 62983 | EATON AEROSPACE, LLC | | 1776-5 | 96879 | TROSTEL ALBERT PACKING LTD | | 216LS-5 | 10220 | PRECISION METAL PRODUCTS INC | | 757 283 | 77294 | PIPER INDUSTRIAL MANUFACTURING COMPANY, LLC | | AN6291-5 | 88044 | AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE | | B-FF4 | 02697 | PARKER-HANNIFIN CORP | | G-2000-5 | 02697 | PARKER-HANNIFIN CORP | | MS28777-5 | 96096 | AMERICAN CARBONIC ENGINEERING CO | | MS28777-5 | 96906 | MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M | | XLLM212-5 | 72288 | EXCELSIOR, INC. |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | HOLE DIAMETER | 0.3985 INCHES MINIMUM AND 0.4135 INCHES MAXIMUM | | OVERALL DIAMETER | 0.640 INCHES NOMINAL | | MATERIAL | LEATHER OVERALL | | PERIPHERAL SHAPE STYLE | ROUND | | THICKNESS | 0.084 INCHES MINIMUM AND 0.104 INCHES MAXIMUM |
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