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National Stock Number:
5310-00-873-8038
Federal Supply Class:
5310
National Item Identification Number:
008738038
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:
| 114R2098-2 | 56540 | ASSOCIATED AIRCRAFT MANUFACTURING & SALES, INC. | | 114R2098-2 | 77272 | THE BOEING COMPANY |
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Techincal Specification:
| THICKNESS | 0.136 INCHES MINIMUM AND | | 0.137 INCHES MAXIMUM | | HEAT TREATMENT | AS FABRICATED | | MINIMUM TENSILE STRENGTH | 180000 POUNDS PER SQUARE INCH | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 77272 | | DESIGN CONTROL REFERENCE | 114R2098-2 | | MATERIAL | STEEL OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS5643 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | CENTER HOLE SHAPE STYLE | ROUND | | HOLE DIAMETER | 0.750 INCHES MINIMUM AND | | 0.755 INCHES MAXIMUM | | PERIPHERAL SHAPE STYLE | ROUND | | OVERALL DIAMETER | 1.740 INCHES MINIMUM AND | | 1.760 INCHES MAXIMUM | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR |
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