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National Stock Number:
5310-01-625-7817
Federal Supply Class:
5310
National Item Identification Number:
016257817
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:
| BACW10BP161PK | 81205 | THE BOEING COMPANY |
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Techincal Specification:
| MATERIAL | STEEL COMP 4130 AND | | STEEL COMP 8735 AND | | STEEL COMP 4135 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | ASM6350 ASSN STD SINGLE MATERIAL RESPONSE AND | | ASM6351 ASSN STD SINGLE MATERIAL RESPONSE AND | | ASM6345 ASSN STD SINGLE MATERIAL RESPONSE AND | | ASM6357 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | ALUMINUM ALLOY OVERALL | | CENTER HOLE SHAPE STYLE | ROUND | | HOLE DIAMETER | 1.016 INCHES MINIMUM AND | | 1.027 INCHES MAXIMUM | | PERIPHERAL SHAPE STYLE | ROUND | | OVERALL DIAMETER | 1.625 INCHES MINIMUM AND | | 1.645 INCHES MAXIMUM | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | THICKNESS | 0.083 INCHES MINIMUM AND | | 0.097 INCHES MAXIMUM | | HARDNESS RATING | 36.0 ROCKWELL C MINIMUM AND | | 40.0 ROCKWELL C MAXIMUM |
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