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National Stock Number:
5310-00-977-7902
Federal Supply Class:
5310
National Item Identification Number:
009777902
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:
| 1784946-1 | 19315 | HONEYWELL INTL INC DEFENSE AVIONICS SYSTEMS FORMER BENDIX NAVIGATION AND CONTROL SYSTEMS | | 1784946-1 | 55972 | HONEYWELL INTL INC DEFENSE AVIONICS SYSTEMS |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | HARDNESS RATING | 65.0 SHORE DUROMETER A MINIMUM AND 75.0 SHORE DUROMETER A MAXIMUM | | HOLE DIAMETER | 0.010 INCHES MINIMUM AND 0.020 INCHES MAXIMUM | | OVERALL DIAMETER | 0.422 INCHES MINIMUM AND 0.452 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | 417,GR RS715 MIL STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | RUBBER SYNTHETIC OVERALL | | MINIMUM TENSILE STRENGTH | 1500 POUNDS PER SQUARE INCH | | PART NAME ASSIGNED BY CONTROLLING AGENCY | NAVY SPECIAL PROJECT | | PERIPHERAL SHAPE STYLE | ROUND | | THICKNESS | 0.026 INCHES MINIMUM AND 0.036 INCHES MAXIMUM |
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