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National Stock Number:
5310-00-932-8047
Federal Supply Class:
5310
National Item Identification Number:
009328047
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:
| 34D297 | 0AHP5 | CURTISS-WRIGHT CONTROLS, INC. |
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Techincal Specification:
| MATERIAL | STEEL OVERALL | | SURFACE TREATMENT | CADMIUM OVERALL | | CENTER HOLE SHAPE STYLE | ROUND | | HOLE DIAMETER | 0.396 INCHES MINIMUM AND | | 0.411 INCHES MAXIMUM | | PERIPHERAL SHAPE STYLE | DEE | | WIDTH | 0.770 INCHES NOMINAL | | OVERALL DIAMETER | 0.860 INCHES NOMINAL | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | THICKNESS | 0.070 INCHES MINIMUM AND | | 0.080 INCHES MAXIMUM | | HARDNESS RATING | 35.0 ROCKWELL C MINIMUM AND | | 40.0 ROCKWELL C MAXIMUM | | SURFACE FINISH | 50.0 MICROINCHES TOP | | 50.0 MICROINCHES BOTTOM | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 0AHP5 | | DESIGN CONTROL REFERENCE | 34D297 |
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