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National Stock Number:
5310-00-012-0388
Federal Supply Class:
5310
National Item Identification Number:
000120388
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:
| 120388 | 18876 | U S ARMY AVIATION AND MISSILE COMMAND | | 120388 | 24617 | GENERAL MOTORS CORP | | 120388 | 31007 | NAVISTAR INTL CORP | | 120388 | 56442 | DIAMOND REO TRUCK CO | | 120388 | 7X677 | GENERAL MOTORS LLC | | 34707S7 | 23040 | FORD MOTOR CO FORD PARTS AND SERVICE DIV GOVERNMENT PART SALES | | 34707S8 | 23040 | FORD MOTOR CO FORD PARTS AND SERVICE DIV GOVERNMENT PART SALES | | 39707S7 | 23040 | FORD MOTOR CO FORD PARTS AND SERVICE DIV GOVERNMENT PART SALES | | DX554 | 56442 | DIAMOND REO TRUCK CO | | JD845 | 29215 | JENNY PRODUCTS, INC | | LA494-23 | 46717 | PETTIBONE LLC | | MILW1085TYPEA | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M | | N6460W | 56442 | DIAMOND REO TRUCK CO |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | HOLE DIAMETER | 0.437 INCHES NOMINAL | | OVERALL DIAMETER | 1.000 INCHES NOMINAL | | MATERIAL | STEEL OVERALL | | NONDEFINITIVE SPEC/STD DATA | A TYPE AND 1 GRADE AND A CLASS | | PERIPHERAL SHAPE STYLE | ROUND | | SURFACE TREATMENT | CHROMIUM OVERALL | | THICKNESS | 0.083 INCHES NOMINAL |
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