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National Stock Number:
5310-00-515-7934
Federal Supply Class:
5310
National Item Identification Number:
005157934
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:
| 110-635524-7 | 23974 | CRESTVIEW AEROSPACE LLC | | 110-635524-7 | 89446 | HILLER AIRCRAFT CORPORATION |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | HOLE DIAMETER | 1.503 INCHES MINIMUM AND 1.505 INCHES MAXIMUM | | OVERALL DIAMETER | 2.150 INCHES MINIMUM AND 2.210 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-M-31 FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | MAGNESIUM ALLOY OVERALL | | PERIPHERAL SHAPE STYLE | ROUND | | SURFACE TREATMENT | ZINC AND CHROMATE OVERALL | | THICKNESS | 0.176 INCHES MINIMUM AND 0.196 INCHES MAXIMUM |
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