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National Stock Number:
5310-01-616-7920
Federal Supply Class:
5310
National Item Identification Number:
016167920
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:
| 642A174 | 01289 | GENERAL ELECTRIC COMPANY | | 642A174 PART 12 | 01289 | GENERAL ELECTRIC COMPANY | | 642A174-12 | 0BR59 | SIEMENS GOVERNMENT TECHNOLOGIES, INC. | | 642A174 PC 12 | 24446 | GENERAL ELECTRIC COMPANY | | 642A174-12 | 830Q4 | CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION | | 642A174-12 | 8FGX3 | CURTISS-WRIGHT ELECTRO-MECHANICAL CORP | | 873E193 ITEM 7 | 01289 | GENERAL ELECTRIC COMPANY |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | FEATURES PROVIDED | DULL FINISH | | HOLE DIAMETER | 1.06 INCHES NOMINAL | | LENGTH | 3.18 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | B8A4C MFR REF SINGLE MATERIAL RESPONSE OR QQ-S-636 COND 5 FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL OVERALL | | III PART NAME ASSIGNED BY CONTROLLING AGENCY | WASHER,LOCK | | PERIPHERAL SHAPE STYLE | RECTANGULAR | | PROPRIETARY CHARACTERISTICS | PACS | | SPECIAL FEATURES | HEXAGON SHAPE SURROUNDS WASHER HOLE AND HAS NOTE ON DRAWING THAT STATES THAT CORNERS ARE BENT UP AT ASSEMBLY | | WIDTH ACROSS FLATS | 2.00 INCHES NOMINAL | | WIDTH | 2.00 INCHES NOMINAL | | THICKNESS | 0.094 INCHES NOMINAL |
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