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National Stock Number:
5310-12-156-2254
Federal Supply Class:
5310
National Item Identification Number:
121562254
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:
| (241)A39630-120761 | A3963 | ASTRA VEICOLI INDUSTRIALI SPA | | (241)A396300120761 | A3963 | ASTRA VEICOLI INDUSTRIALI SPA | | 00120761 | A3963 | ASTRA VEICOLI INDUSTRIALI SPA | | 0630 004 022 | D8124 | ZF FRIEDRICHSHAFEN AG | | 0630 004 022 | K8633 | ZF SERVICES UK LIMITED | | 0630004022 | D8124 | ZF FRIEDRICHSHAFEN AG | | 100CP3343 | U5612 | LEYLAND TRUCKS LTD FOR SPARE PARTS S E U6425 | | 12X18X1,2DIN988 | D8286 | DIN DEUTSCHES INSTITUT FUER NORMUNGEV | | 12X18X1-2DIN988 | D8286 | DIN DEUTSCHES INSTITUT FUER NORMUNGEV | | 241 A39630-120761 | A3963 | ASTRA VEICOLI INDUSTRIALI SPA | | 241 A396300120761 | A3963 | ASTRA VEICOLI INDUSTRIALI SPA | | 5010-093 | D0116 | MECALAC BAUMASCHINEN GMBH | | 50132100 | D2081 | MOTORENFABRIK HATZ GMBH & CO. KG | | DIN988-12X18X1,2 | D8286 | DIN DEUTSCHES INSTITUT FUER NORMUNGEV |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | HOLE DIAMETER | 12,05 MILLIMETERS MINIMUM AND 12,23 MILLIMETERS MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | DIN1624,BESCHAFFENHEIT K50BK ASSN STD SINGLE MATERIAL RESPONSE | | MATERIAL | STEEL COMP 1.0330 | | PERIPHERAL SHAPE STYLE | ROUND | | OVERALL DIAMETER | 17,77 MILLIMETERS MINIMUM AND 17,95 MILLIMETERS MAXIMUM | | TEST DATA DOCUMENT | D8286-DIN988/MAR90/ STANDARD (INCLUDES INDUSTRY OR ASSOCIATION STANDARDS, INDIVIDUAL MANUFACTUREER STANDARDS, ETC.). | | THICKNESS | 1,15 MILLIMETERS MINIMUM AND 1,20 MILLIMETERS MAXIMUM |
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