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National Stock Number:
5310-01-617-1563
Federal Supply Class:
5310
National Item Identification Number:
016171563
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:
| 873E194 ITEM 52 | 01289 | GENERAL ELECTRIC COMPANY | | K-4804854 | 24446 | GENERAL ELECTRIC COMPANY | | K-4804854 PT 7 | 01289 | GENERAL ELECTRIC COMPANY | | K-4804854 PT 7 | 17454 | TIMKEN GEARS & SERVICES INC. |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | HOLE DIAMETER | 0.5625 INCHES NOMINAL | | LENGTH | 2.00 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | G.E. B8A3A MFR REF SINGLE MATERIAL RESPONSE OVERALL | | PART NAME ASSIGNED BY CONTROLLING AGENCY | LOCKWASHER | | MATERIAL | STEEL OVERALL | | PERIPHERAL SHAPE STYLE | RECTANGULAR | | SPECIAL FEATURES | OCTAGONAL SHAPE SURROUNDS HOLE WITH NOTATION TO BEND CORNERS UP ON ASSEMBLY;HOLE IS NOT CENTER;CENTER OF HOLE TO LEFT EDGE OF WASHER IS 0.500INCHES | | THICKNESS | 0.044 INCHES NOMINAL | | WIDTH ACROSS FLATS | 1.00 INCHES NOMINAL | | WIDTH | 1.00 INCHES NOMINAL |
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