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National Stock Number:
5310-00-753-3991
Federal Supply Class:
5310
National Item Identification Number:
007533991
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:
| 10389716 | A486G | NIMIKKEISTOKESKUS NCB FINLAND | | 2994951-7 | D9182 | ZF INDUSTRIEANTRIEBE WITTEN GMBH | | 547C032745 | 34228 | L3 TECHNOLOGIES, INC. | | 43597-143 | 81982 | HYDRO-AIRE AEROSPACE CORP | | 43597-143 | D9182 | ZF INDUSTRIEANTRIEBE WITTEN GMBH | | 696703 | D9182 | ZF INDUSTRIEANTRIEBE WITTEN GMBH | | CAV10-87P | 11871 | RECON/OPTICAL, INC. | | S8157N278-020 | 70210 | HONEYWELL INTERNATIONAL INC. | | CAV10-87P | 80294 | BOURNS INSTRUMENTS INC |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | HOLE DIAMETER | 0.255 INCHES MINIMUM AND 0.265 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | AISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | OVERALL DIAMETER | 0.365 INCHES MINIMUM AND 0.375 INCHES MAXIMUM | | MATERIAL | STEEL COMP 302 OVERALL | | PERIPHERAL SHAPE STYLE | ROUND | | SURFACE TREATMENT | PASSIVATE OVERALL | | THICKNESS | 0.019 INCHES MINIMUM AND 0.021 INCHES MAXIMUM |
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