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National Stock Number:
5310-00-536-9957
Federal Supply Class:
5310
National Item Identification Number:
005369957
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:
| 79279400204 | 89944 | ELBITAMERICA, INC. |
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Techincal Specification:
| MATERIAL | COPPER ALLOY OR | | STEEL COMP 302 OR | | STEEL COMP 304 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM B103-51 ASSN STD 1ST MATERIAL RESPONSE OR | | 00-C-533 FED SPEC 1ST MATERIAL RESPONSE OR | | QQ-S-766 FED SPEC 2ND MATERIAL RESPONSE OR | | QQ-S-766 FED SPEC 3RD MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL | | CENTER HOLE SHAPE STYLE | ROUND | | HOLE DIAMETER | 0.126 INCHES MINIMUM AND | | 0.129 INCHES MAXIMUM | | PERIPHERAL SHAPE STYLE | ROUND | | OVERALL DIAMETER | 0.185 INCHES MINIMUM AND | | 0.187 INCHES MAXIMUM | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | THICKNESS | 0.014 INCHES MINIMUM AND | | 0.016 INCHES MAXIMUM | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 89944 | | DESIGN CONTROL REFERENCE | 79279400204 |
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