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National Stock Number:
5310-01-388-7010
Federal Supply Class:
5310
National Item Identification Number:
013887010
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:
| 12931841 | 01417 | GENERAL DYNAMICS LAND SYSTEMS INC. | | 12931841 | 19200 | US ARMY ARDEC RDECOM |
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Techincal Specification:
| MATERIAL | STEEL COMP 1015 OR | | STEEL COMP 1016 OR | | STEEL COMP 1017 OR | | STEEL COMP 1018 OR | | STEEL COMP 1019 OR | | STEEL COMP 1020 OR | | STEEL COMP 1021 OR | | STEEL COMP 1022 OR | | STEEL COMP 5147H OR | | STEEL COMP 1025 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM-A-576 ASSN STD SINGLE MATERIAL RESPONSE OR | | ASTM-A-108 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | CENTER HOLE SHAPE STYLE | ROUND | | HOLE DIAMETER | 0.279 INCHES MINIMUM AND | | 0.287 INCHES MAXIMUM | | PERIPHERAL SHAPE STYLE | ROUND | | OVERALL DIAMETER | 1.000 INCHES NOMINAL | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | THICKNESS | 0.250 INCHES NOMINAL | | COLOR | WHITE BODY |
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