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National Stock Number:
5310-01-530-6023
Federal Supply Class:
5310
National Item Identification Number:
015306023
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:
| H001023 | 5T389 | FAST GLOBAL SOLUTIONS INC | | USSFZ 025 | 3HCG0 | BUILDING FASTENERS OF MINNESOTA INCORPORATED DBA BUILDING FASTENERS |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | HARDNESS RATING | 49.0 ROCKWELL B MINIMUM | | HOLE DIAMETER | 0.310 INCHES NOMINAL | | OVERALL DIAMETER | 0.730 INCHES NOMINAL | | MATERIAL | STEEL COMP 1006 OR STEEL COMP 1008 OR STEEL COMP 1009 OR STEEL COMP 1010 OR STEEL COMP 1011 OR STEEL COMP 1012 OR STEEL COMP 1013 OR STEEL COMP 1015 OVERALL | | PERIPHERAL SHAPE STYLE | ROUND | | SURFACE TREATMENT | ZINC OVERALL | | THICKNESS | 0.069 INCHES NOMINAL |
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