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National Stock Number:
5310-00-941-3532
Federal Supply Class:
5310
National Item Identification Number:
009413532
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:
| LS5984S04L | 98897 | LOCKHEED MARTIN CORP |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | HOLE DIAMETER | 0.119 INCHES MINIMUM AND 0.129 INCHES MAXIMUM | | OVERALL DIAMETER | 0.201 INCHES MINIMUM AND 0.211 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-7952 MIL SPEC 1ST MATERIAL RESPONSE OR QQ-S-698 FED SPEC 1ST MATERIAL RESPONSE AND MIL-S-7952 MIL SPEC 2ND MATERIAL RESPONSE AND QQ-S-698 FED SPEC 3RD MATERIAL RESPONSE AND QQ-S-698 FED SPEC 4TH MATERIAL RESPONSE AND QQ-S-698 FED SPEC 5TH MATERIAL RESPONSE AND QQ-S-698 FED SPEC 6TH MATERIAL RESPONSE AND QQ-S-698 FED SPEC 7TH MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 1020 OR STEEL COMP 1025 OR STEEL COMP 1008 OR STEEL COMP 1009 OR STEEL COMP 1010 OR STEEL COMP 1015 OR STEEL COMP 1018 OVERALL | | PERIPHERAL SHAPE STYLE | ROUND | | SURFACE TREATMENT | CADMIUM AND CHROMATE OVERALL | | THICKNESS | 0.013 INCHES MINIMUM AND 0.019 INCHES MAXIMUM |
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