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National Stock Number:
5310-00-807-0704
Federal Supply Class:
5310
National Item Identification Number:
008070704
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:
| 484B46 | 63665 | CEF INDUSTRIES INC ENVIRON DIV | | 484B46 | 78062 | SARGENT AEROSPACE & DEFENSE, LLC |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | HARDNESS RATING | 22.0 ROCKWELL C MINIMUM AND 28.0 ROCKWELL C MAXIMUM | | HOLE DIAMETER | 0.510 INCHES MINIMUM AND 0.520 INCHES MAXIMUM | | OVERALL DIAMETER | 0.933 INCHES MINIMUM AND 0.938 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-6858 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 4130 OVERALL | | PERIPHERAL SHAPE STYLE | ROUND | | SPECIAL FEATURES | OUTSIDE LEFT CORNER CHAMFERED 45.0 DEG,0.050 IN. LG | | THICKNESS | 0.125 INCHES NOMINAL |
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