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National Stock Number:
5310-01-373-5992
Federal Supply Class:
5310
National Item Identification Number:
013735992
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:
| 723205-11 | 05869 | RAYTHEON COMPANY | | 723205-11 | 86928 | SEASTROM MANUFACTURING CO INC | | A528-9-11 | 86928 | SEASTROM MANUFACTURING CO INC |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | HOLE DIAMETER | 1.971 INCHES MINIMUM AND 1.983 INCHES MAXIMUM | | OVERALL DIAMETER | 2.422 INCHES MINIMUM AND 2.436 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | FED-STD-66 ASSN STD 1ST MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL OR STEEL COMP 1566 OR STEEL COMP 1070 OR STEEL COMP 1080 OR STEEL COMP 1090 OVERALL | | PERIPHERAL SHAPE STYLE | ROUND | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | CADMIUM AND CHROMATE OVERALL | | THICKNESS | 0.093 INCHES MINIMUM AND 0.121 INCHES MAXIMUM |
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