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National Stock Number:
5310-01-578-6201
Federal Supply Class:
5310
National Item Identification Number:
015786201
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:
| 10041662 | 61C19 | MIL-COTS CORPORATION | | 11103706 | 0Y3H3 | FASTENAL COMPANY | | 12759-00885 | 0Y3H3 | FASTENAL COMPANY |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | COLOR | YELLOW OVERALL | | CROSS-SECTIONAL SHAPE STYLE | BLANK RECTANGULAR | | HOLE DIAMETER | 6.4 MILLIMETERS NOMINAL | | OVERALL DIAMETER | 12.0 MILLIMETERS NOMINAL | | PART NAME ASSIGNED BY CONTROLLING AGENCY | HARDENED FLAT WASHER | | MATERIAL | STEEL OVERALL | | PERIPHERAL SHAPE STYLE | ROUND | | SPECIAL FEATURES | FINISH IS YELLOW ZINC; ITEMS NOMINAL THICKNESS IS 1.60MM; GRADE IS HV200/125; ITEMS NOMINAL SIZE IS M6 | | SURFACE TREATMENT | ZINC OVERALL | | THICKNESS | 1.6 MILLIMETERS NOMINAL |
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