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National Stock Number:
5310-00-578-7820
Federal Supply Class:
5310
National Item Identification Number:
005787820
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:
| 10545024-3 | 19200 | US ARMY ARDEC RDECOM |
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Techincal Specification:
| OVERALL DIAMETER | 0.800 INCHES MINIMUM AND | | 0.810 INCHES MAXIMUM | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | THICKNESS | 0.025 INCHES MINIMUM AND | | 0.031 INCHES MAXIMUM | | COLOR | BLACK OVERALL | | MATERIAL | STEEL COMP 301 OR | | STEEL COMP 302 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-766 TEMPER FULL HARD FED SPEC 1ST MATERIAL RESPONSE OR | | QQ-S-766 TEMPER 1/2 HARD FED SPEC 2ND MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | OXIDE OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-13924 CL 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL | | CENTER HOLE SHAPE STYLE | ROUND | | HOLE DIAMETER | 0.557 INCHES MINIMUM AND | | 0.567 INCHES MAXIMUM | | PERIPHERAL SHAPE STYLE | ROUND |
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