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National Stock Number:
5310-00-432-7990
Federal Supply Class:
5310
National Item Identification Number:
004327990
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:
| 717658-2 | 19315 | HONEYWELL INTL INC DEFENSE AVIONICS SYSTEMS FORMER BENDIX NAVIGATION AND CONTROL SYSTEMS | | 717658-2 | 64547 | HONEYWELL INTERNATIONAL, INC | | 717658-2 | 83298 | ALLIED SIGNAL INC AEROSPACE EQUIPMENT SYSTEMS EATONTOWN SITE |
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Techincal Specification:
| MATERIAL | STEEL COMP 1008 OR | | STEEL COMP 1009 OR | | STEEL COMP 1015 OR | | STEEL COMP 1018 OR | | STEEL COMP 1020 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-698 FED SPEC ALL MATERIAL RESPONSES OVERALL | | SURFACE TREATMENT | CADMIUM OVERALL | | CENTER HOLE SHAPE STYLE | ROUND | | HOLE DIAMETER | 0.328 INCHES MINIMUM AND | | 0.333 INCHES MAXIMUM | | PERIPHERAL SHAPE STYLE | ROUND | | OVERALL DIAMETER | 0.745 INCHES MINIMUM AND | | 0.755 INCHES MAXIMUM | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | THICKNESS | 0.055 INCHES MINIMUM AND | | 0.065 INCHES MAXIMUM | | SPECIAL FEATURES | OUTSIDE EDGE COLOR CODED WHITE |
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