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National Stock Number:
5310-01-547-5335
Federal Supply Class:
5310
National Item Identification Number:
015475335
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:
| 10025766 | 1EFH8 | GENERAL DYNAMICS LAND SYSTEMS - FORCE PROTECTION INC. | | 20706261 | 89619 | MACK TRUCKS, INC. | | 35AX 1489 | 89619 | MACK TRUCKS, INC. | | 35AX1489 | 89619 | MACK TRUCKS, INC. | | 90850A350 | 39428 | MCMASTER-CARR SUPPLY CO |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | COLOR | YELLOW OVERALL | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | HOLE DIAMETER | 0.6250 INCHES MINIMUM AND 0.6719 INCHES MAXIMUM | | OVERALL DIAMETER | 1.2812 INCHES MINIMUM AND 1.3437 INCHES MAXIMUM | | MATERIAL | STEEL OVERALL | | PART NAME ASSIGNED BY CONTROLLING AGENCY | ZINC YELLOW-CHROMATE PLATED STEEL FLAT WASHER, GRADE 9 | | PERIPHERAL SHAPE STYLE | ROUND | | SURFACE TREATMENT | ZINC OVERALL | | THICKNESS | 0.1406 INCHES MINIMUM AND 0.1562 INCHES MAXIMUM |
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