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National Stock Number:
5310-01-017-4147
Federal Supply Class:
5310
National Item Identification Number:
010174147
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:
| 10121971 | A486G | NIMIKKEISTOKESKUS NCB FINLAND | | 113B3488P11 | 89954 | BAE SYSTEMS CONTROLS INC. |
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Techincal Specification:
| MATERIAL | COPPER ALLOY 268 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-B-613 1/2 HARD FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | TIN OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-T 10727 TY 1 OR2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL | | CENTER HOLE SHAPE STYLE | ROUND | | HOLE DIAMETER | 0.191 INCHES MINIMUM AND | | 0.198 INCHES MAXIMUM | | PERIPHERAL SHAPE STYLE | ROUND | | OVERALL DIAMETER | 0.433 INCHES MINIMUM AND | | 0.458 INCHES MAXIMUM | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | THICKNESS | 0.059 INCHES MINIMUM AND | | 0.069 INCHES MAXIMUM | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 89954 | | DESIGN CONTROL REFERENCE | 113B3488P11 |
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