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National Stock Number:
5310-12-187-8590
Federal Supply Class:
5310
National Item Identification Number:
121878590
Description:
WASHER,RECESSED
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:
| 0008244082 | D8046 | DAIMLER AG | | 61792159-605 | S3465 | BAE SYSTEMS HAGGLUNDS AB | | 900.824 | D8130 | VALEO WISCHERSYSTEME GMBH | | 900824 | D8130 | VALEO WISCHERSYSTEME GMBH | | 94740-991 | 0BAT5 | U.S. DEFENSE SERVICES, INC. |
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Techincal Specification:
| HOLE DIAMETER | 12,3 MILLIMETERS MINIMUM AND 12,7 MILLIMETERS MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | DIN17670, BESCHAFFENHEIT 10 ASSN STD SINGLE MATERIAL RESPONSE | | MATERIAL THICKNESS | 1,0 MILLIMETERS NOMINAL | | MATERIAL | COPPER ALLOY 2.0321 | | OUTSIDE DIAMETER | 23,0 MILLIMETERS NOMINAL | | OVERALL HEIGHT | 2,7 MILLIMETERS MINIMUM AND 2,9 MILLIMETERS MAXIMUM | | RECESS DEPTH | 1,8 MILLIMETERS NOMINAL | | STYLE DESIGNATOR | RECESSED | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | SWF52.001BL.13, VERFAHREN GALNICR12GL MFR REF SINGLE TREATMENT RESPONSE | | SURFACE TREATMENT | CHROMIUM AND NICKEL |
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