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National Stock Number:
5310-01-049-6591
Federal Supply Class:
5310
National Item Identification Number:
010496591
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:
| BACW10P101S | 81205 | THE BOEING COMPANY |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | HOLE DIAMETER | 1.290 INCHES MINIMUM AND 1.310 INCHES MAXIMUM | | OVERALL DIAMETER | 1.750 INCHES MINIMUM AND 1.770 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-7952 TEMPER 1/2 HARD OR FULL HARD MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-7952 TEMPER 1/2 HARD OR FULL HARD MIL SPEC 2ND MATERIAL RESPONSE OR SAE ASSN STD 1ST MATERIAL RESPONSE OR QQ-S-698 TEMPER 1/2 HARD OR FULL HARD FED SPEC 2ND MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 1010 OR STEEL COMP 1025 OR STEEL COMP 1020 OVERALL | | PERIPHERAL SHAPE STYLE | ROUND | | SPECIFICATION/STANDARD DATA | 81205-BACW10P MANUFACTURERS STANDARD | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 TY 1 CL 1 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | CADMIUM OVERALL | | THICKNESS | 0.020 INCHES NOMINAL |
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