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National Stock Number:
5310-00-012-0391
Federal Supply Class:
5310
National Item Identification Number:
000120391
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:
| 0907669 | 92392 | ALLIS-CHALMERS CORP | | 120391 | 12204 | DAIMLER CHRYSLER | | 120391 | 24617 | GENERAL MOTORS CORP | | 120391 | 72582 | ROLLS-ROYCE SOLUTIONS AMERICA INC | | 120391 | 7X677 | GENERAL MOTORS LLC | | 124A9372AA003 | 24446 | GENERAL ELECTRIC COMPANY | | 126177 | 08683 | BROCKWAY MOTOR TRUCKS DIV OF MACK TRUCKS INC | | 305259 | 56232 | LOCKHEED MARTIN CORPORATION | | 5310PL0787521 | 9009H | INSPEKTORAT WSPARCIA SIL ZBROJNYCH | | 7361901 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM | | 8X183A | 45320 | PACCAR GOVERNMENT GROUP CO YARROW BAY OFFICE PK | | 907669 | 92392 | ALLIS-CHALMERS CORP | | JHP68-137 | 02032 | HOLLINGSWORTH JOHN R CO | | MILW1085 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M | | PC120391 | C7432 | POWER COMPONENTS (DEUTSCHLAND) GMBH | | Q102 | 31007 | NAVISTAR INTL CORP | | Q102 | 92679 | NAVISTAR INTL CORP MELROSE PARK ENGINE PLANT LOCATION /MELROSE PARK/ | | R20632 | 83120 | PRESSED METALS OF AMERICA INC |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | DEPARTURE FROM CITED DOCUMENT | AS MOD BY SURF | | HOLE DIAMETER | 0.218 INCHES NOMINAL | | OVERALL DIAMETER | 0.500 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-634 FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 1010 OVERALL | | NONDEFINITIVE SPEC/STD DATA | A TYPE | | PERIPHERAL SHAPE STYLE | ROUND | | SURFACE TREATMENT | CADMIUM OR ZINC OVERALL | | THICKNESS | 0.049 INCHES NOMINAL |
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