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National Stock Number:
5310-01-617-5811
Federal Supply Class:
5310
National Item Identification Number:
016175811
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:
| 4804854-74 | 0BR59 | SIEMENS GOVERNMENT TECHNOLOGIES, INC. | | 4804854-74 | 830Q4 | CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION | | 873E192 ITEM 40 | 01289 | GENERAL ELECTRIC COMPANY | | K-4804854 PT 74 | 01289 | GENERAL ELECTRIC COMPANY | | K-4804854 PT 74 | 17454 | TIMKEN GEARS & SERVICES INC. | | K-4804854 PT 74 | 24446 | GENERAL ELECTRIC COMPANY |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | HOLE DIAMETER | 0.406 INCHES NOMINAL | | LENGTH | 1.188 INCHES NOMINAL | | MATERIAL | STEEL COMP 1009 OVERALL | | III PART NAME ASSIGNED BY CONTROLLING AGENCY | LOCK WASHER | | PERIPHERAL SHAPE STYLE | RECTANGULAR | | PROPRIETARY CHARACTERISTICS | PACS | | SPECIAL FEATURES | HOLE OFF CENTER | | WIDTH ACROSS FLATS | 0.875 INCHES NOMINAL | | THICKNESS | 0.034 INCHES NOMINAL |
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