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National Stock Number:
5310-00-181-6991
Federal Supply Class:
5310
National Item Identification Number:
001816991
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:
| 1489119-0420 | 55972 | HONEYWELL INTL INC DEFENSE AVIONICS SYSTEMS | | 1489119-4-20 | 02987 | HONEYWELL INTL INC DEFENSE AVIONICS SYSTEMS FORMER BENDIX FLIGHT SYSTEMS FIV MONTROSE OPNS |
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Techincal Specification:
| MATERIAL | STEEL COMP 301 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-766 TEMPER FULL HARD FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | CENTER HOLE SHAPE STYLE | ROUND | | HOLE DIAMETER | 0.094 INCHES MINIMUM AND | | 0.099 INCHES MAXIMUM | | PERIPHERAL SHAPE STYLE | ROUND | | OVERALL DIAMETER | 0.145 INCHES MINIMUM AND | | 0.155 INCHES MAXIMUM | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | THICKNESS | 0.017 INCHES MINIMUM AND | | 0.023 INCHES MAXIMUM |
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