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National Stock Number:
5310-00-810-1530
Federal Supply Class:
5310
National Item Identification Number:
008101530
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:
| 146-250525-00 | 73949 | GUARDIAN ELECTRIC MANUFACTURING CO | | 506595 | 31633 | ALINABAL HOLDINGS CORPORATION | | 506595 | 33615 | ENJET AERO MANCHESTER LLC | | 506595 | 73030 | HAMILTON SUNDSTRAND CORPORATION |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | HOLE DIAMETER | 0.126 INCHES MINIMUM AND 0.130 INCHES MAXIMUM | | OVERALL DIAMETER | 0.250 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | AISI ASSN STD 1ST MATERIAL RESPONSE AND AMS 5640 ASSN STD 2ND MATERIAL RESPONSE OR AISI ASSN STD 2ND MATERIAL RESPONSE AND AMS 5639 ASSN STD 3RD MATERIAL RESPONSE OR AISI ASSN STD 3RD MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 304 OVERALL | | PERIPHERAL SHAPE STYLE | ROUND | | THICKNESS | 0.028 INCHES MINIMUM AND 0.032 INCHES MAXIMUM |
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