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National Stock Number:
5310-01-618-5922
Federal Supply Class:
5310
National Item Identification Number:
016185922
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:
| 4804854-3 | 0BR59 | SIEMENS GOVERNMENT TECHNOLOGIES, INC. | | 4804854-3 | 0M7V4 | PEERLESS-WINSMITH, INC | | 4804854PT3 | 0BR59 | SIEMENS GOVERNMENT TECHNOLOGIES, INC. | | 4804854PT3 | 830Q4 | CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION | | 4804854-3 | 830Q4 | CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION | | 4804854-3 | 8FGX3 | CURTISS-WRIGHT ELECTRO-MECHANICAL CORP | | K-4804854 | 0BR59 | SIEMENS GOVERNMENT TECHNOLOGIES, INC. | | 4804854PT3 | 8FGX3 | CURTISS-WRIGHT ELECTRO-MECHANICAL CORP |
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Techincal Specification:
| MATERIAL | STEEL OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A569 ASSN STD SINGLE MATERIAL RESPONSE OR | | D-R SPEC M-8774 MFR REF SINGLE MATERIAL RESPONSE OVERALL | | CENTER HOLE SHAPE STYLE | ROUND | | HOLE DIAMETER | 0.40625 INCHES NOMINAL | | PERIPHERAL SHAPE STYLE | RECTANGULAR | | LENGTH | 1.250 INCHES NOMINAL | | WIDTH ACROSS FLATS | 0.875 INCHES NOMINAL | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | THICKNESS | 0.060 INCHES NOMINAL | | SPECIAL FEATURES | OCTAGONAL SHAPE SURROUNDS HOLE WITH NOTATION THAT CORNERS ARE BENT UP ON ASSEMBLY;HOLE IS OFF CENTER | | PART NAME ASSIGNED BY CONTROLLING AGENCY | LOCKWASHER |
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