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National Stock Number:
5310-01-016-0488
Federal Supply Class:
5310
National Item Identification Number:
010160488
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:
| 3359741 | 00816 | PALOMAR PRODUCTS, INC. | | 3359741 | 82577 | RAYTHEON COMPANY |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | OVERALL DIAMETER | 1.290 INCHES MINIMUM AND 1.310 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-8I506,COND A MIL SPEC 1ST MATERIAL RESPONSE AND QQ-S-766,CLASS 301 FED SPEC 2ND MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL CORROSION RESISTING AND STEEL COMP 301 OVERALL | | PERIPHERAL SHAPE STYLE | ROUND | | SPECIAL FEATURES | CENTER HOLE DIA. 1.050 IN MIN. 1.070 IN MAX | | SURFACE TREATMENT | PASSIVATE OVERALL | | THICKNESS | 0.022 INCHES MINIMUM AND 0.042 INCHES MAXIMUM |
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