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National Stock Number:
5310-14-313-5769
Federal Supply Class:
5310
National Item Identification Number:
143135769
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:
| E27611E60EBUL | F0110 | AFNOR ASSOCIATION FRANCAISE DE NORMALISATION | | JEEB060UL | F0110 | AFNOR ASSOCIATION FRANCAISE DE NORMALISATION | | R0NDELLE Z,6U/XC10/CDB | F3033 | DIRECTION CENTRALE DU MATERIEL DE L'ARMEE DE L'AIR DCMAA |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | HOLE DIAMETER | 6.25 MILLIMETERS MINIMUM AND 6.47 MILLIMETERS MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | F3025 MIL STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP XC10 OVERALL | | III HEAT TREATMENT | AS FABRICATED | | III MINIMUM TENSILE STRENGTH | 320 NEWTONS PER SQUARE MILLIMETER | | PERIPHERAL SHAPE STYLE | ROUND | | OVERALL DIAMETER | 12.0 MILLIMETERS NOMINAL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | NF L 09-753 CODE L NATIONAL SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | CADMIUM OVERALL AND CHROMATE OVERALL | | THICKNESS | 1.2 MILLIMETERS NOMINAL |
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