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National Stock Number:
5310-00-439-4993
Federal Supply Class:
5310
National Item Identification Number:
004394993
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:
| 696703 | 99167 | HAMILTON SUNDSTRAND CORPORATION |
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Techincal Specification:
| MATERIAL | STEEL COMP 303SE OR | | STEEL COMP 302 OR | | STEEL COMP 303 OR | | STEEL COMP 304 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | AISI ASSN STD ALL MATERIAL RESPONSES OVERALL | | CENTER HOLE SHAPE STYLE | ROUND | | HOLE DIAMETER | 0.250 INCHES MINIMUM AND | | 0.260 INCHES MAXIMUM | | PERIPHERAL SHAPE STYLE | ROUND | | OVERALL DIAMETER | 0.365 INCHES MINIMUM AND | | 0.385 INCHES MAXIMUM | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | THICKNESS | 0.015 INCHES MINIMUM AND | | 0.025 INCHES MAXIMUM | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 99167 | | DESIGN CONTROL REFERENCE | 696703 |
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