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National Stock Number:
5310-01-494-7028
Federal Supply Class:
5310
National Item Identification Number:
014947028
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:
| VN936NP12C | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | HOLE DIAMETER | 0.752 INCHES MINIMUM AND 0.756 INCHES MAXIMUM | | INSIDE LEFT CORNER CHAMFER ANGLE | 42.0 DEGREES MINIMUM AND 47.0 DEGREES MAXIMUM | | OVERALL DIAMETER | 1.240 INCHES MINIMUM AND 1.260 INCHES MAXIMUM | | MATERIAL | STEEL CORROSION RESISTING OVERALL | | PERIPHERAL SHAPE STYLE | ROUND | | SPECIAL FEATURES | BASIC HOLE SIZE .750 IN; FOR USE WITH 220 KSI BOLTS | | SURFACE TREATMENT | PASSIVATE OVERALL | | THICKNESS | 0.071 INCHES MINIMUM AND 0.085 INCHES MAXIMUM |
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