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National Stock Number:
5310-00-197-8822
Federal Supply Class:
5310
National Item Identification Number:
001978822
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:
| 12EHW20 | 76040 | MACK TRUCKS INC PARTS OPN | | 12EHW20 | 76083 | MACK TRUCKS, INC. | | 1785275 | 24617 | GENERAL MOTORS CORP | | 1785275 | 7X677 | GENERAL MOTORS LLC | | 185482 | 58275 | SASCO INC CANADIAN DIV | | 18788 | 63477 | FEDERAL MOGUL CORP SUB WAGNER BRAKE MOOG AUTOMOTIVE DIV | | 27327 | 56442 | DIAMOND REO TRUCK CO | | 5186743 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM | | F18788 | 63477 | FEDERAL MOGUL CORP SUB WAGNER BRAKE MOOG AUTOMOTIVE DIV | | FC18788 | 63477 | FEDERAL MOGUL CORP SUB WAGNER BRAKE MOOG AUTOMOTIVE DIV | | FC3911 | 63477 | FEDERAL MOGUL CORP SUB WAGNER BRAKE MOOG AUTOMOTIVE DIV | | FC3911C | 63477 | FEDERAL MOGUL CORP SUB WAGNER BRAKE MOOG AUTOMOTIVE DIV | | FF-W-92B | 81348 | FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC | | V4587X | 65282 | WHITE MOTOR CORP |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | HARDNESS RATING | 35.0 ROCKWELL B NOMINAL | | HOLE DIAMETER | 0.265 INCHES MINIMUM AND 0.270 INCHES MAXIMUM | | OVERALL DIAMETER | 0.802 INCHES MINIMUM AND 0.822 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 1010 OVERALL | | PERIPHERAL SHAPE STYLE | ROUND | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | P-232 FSCM 63477 MFR REF SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | CHROMATE OVERALL | | THICKNESS | 0.062 INCHES MINIMUM AND 0.068 INCHES MAXIMUM |
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