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National Stock Number:
5310-01-189-5415
Federal Supply Class:
5310
National Item Identification Number:
011895415
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:
| 3579209 | 57881 | FABRITRONICS INDUSTRIES INC | | 3579209 | 82577 | RAYTHEON COMPANY |
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Techincal Specification:
| MATERIAL | STEEL COMP 304 OR | | STEEL COMP 301 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-763,COND A FED SPEC 1ST MATERIAL RESPONSE OR | | MIL-S-5059,COND 1/4 HARD TO 1/2 HARD MIL SPEC 2ND MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35,TY 1 OR TY 2 OR TY 3 OR TY 4 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | CENTER HOLE SHAPE STYLE | ROUND | | HOLE DIAMETER | 0.125 INCHES MINIMUM AND | | 0.130 INCHES MAXIMUM | | PERIPHERAL SHAPE STYLE | ROUND | | OVERALL DIAMETER | 0.210 INCHES MINIMUM AND | | 0.240 INCHES MAXIMUM | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | THICKNESS | 0.023 INCHES MINIMUM AND | | 0.027 INCHES MAXIMUM | | PART NAME ASSIGNED BY CONTROLLING AGENCY | NAVY SPECIAL PROJECT |
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