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National Stock Number:
5310-00-945-0856
Federal Supply Class:
5310
National Item Identification Number:
009450856
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:
| 538059 | 03730 | GOULD E A AND CO | | 538059 | 1J4P3 | PARADIGM MANCHESTER INC. | | 538059 | 1RRL5 | NIELSEN HARDWARE CORPORATION | | 538059 | 27068 | DCP SPRING ACQUISITION COMPANY, INC. | | 538059 | 31633 | ALINABAL HOLDINGS CORPORATION | | 538059 | 34830 | ROGERSON KRATOS | | 538059 | 51535 | CREST GOOD MANUFACTURING CO INC | | 538059 | 59420 | DYNAMIC GUNVER TECHNOLOGIES LLC | | 538059 | 77445 | RTX CORPORATION | | 538059 | 81924 | ATOMIC ENERGY COMMISSION OAK RIDGE OPNS OFFICE | | 538059 | 98003 | NIELSEN HARDWARE CORP |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | HOLE DIAMETER | 0.261 INCHES MINIMUM AND 0.271 INCHES MAXIMUM | | OVERALL DIAMETER | 0.865 INCHES MINIMUM AND 0.885 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5510 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5645 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL CORROSION RESISTING OVERALL | | PERIPHERAL SHAPE STYLE | ROUND | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS 2400 ASSN STD SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | CADMIUM OVERALL | | THICKNESS | 0.073 INCHES MINIMUM AND 0.083 INCHES MAXIMUM |
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