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National Stock Number:
5310-00-001-9031
Federal Supply Class:
5310
National Item Identification Number:
000019031
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:
| 306433 | 1UVT5 | BRP US INC | | 306433 | 21119 | EVINRUDE MOTORS PRODUCT GROUP OF OUTBOARD MARINE CORP | | 306433 | 32195 | OUTBOARD MARINE CORP JOHNSON MOTORS DIV | | 306433 | 80256 | OUTBOARD MARINE CORP | | 306433 | K3488 | LEWMAR LTD | | 306433 | U1621 | SIMPSON-LAWRENCE LTD JOHNSON AND EVI RUDE OUTBOARD MOTORS |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | HOLE DIAMETER | 0.492 INCHES MINIMUM AND 0.502 INCHES MAXIMUM | | OVERALL DIAMETER | 0.742 INCHES MINIMUM AND 0.762 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 4505 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | COPPER ALLOY 260 OVERALL | | PERIPHERAL SHAPE STYLE | ROUND | | SURFACE TREATMENT | CADMIUM OVERALL | | THICKNESS | 0.025 INCHES MINIMUM AND 0.030 INCHES MAXIMUM |
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