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National Stock Number:
5310-01-502-4812
Federal Supply Class:
5310
National Item Identification Number:
015024812
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:
| 4M398-2 | 06970 | CABLECRAFT MOTION CONTROLS LLC | | 4M398-2 | 76301 | THE BOEING COMPANY | | 4M398-2 | 86928 | SEASTROM MANUFACTURING CO INC |
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Techincal Specification:
| MATERIAL | STEEL CORROSION RESISTING OVERALL | | CENTER HOLE SHAPE STYLE | DEE | | HOLE DIAMETER | 0.696 INCHES NOMINAL | | CENTER HOLE WIDTH | 0.824 INCHES NOMINAL | | PERIPHERAL SHAPE STYLE | OVAL | | WIDTH | 0.952 INCHES NOMINAL | | RADIUS AT SMALL END | 0.974 INCHES NOMINAL | | RADIUS AT LARGE END | 0.476 INCHES NOMINAL | | LENGTH | 1.450 INCHES NOMINAL | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | THICKNESS | 0.030 INCHES NOMINAL | | SPECIAL FEATURES | SMALL END OF WASHER IS TABBED 40-50 DEGREES BEGINNING AT 0.600 INCHES FROM WASHER CENTER HOLE | | CRITICALITY CODE JUSTIFICATION | AGAV | | PART NAME ASSIGNED BY CONTROLLING AGENCY | (INAVY) WASHER, TAB--SAFETY WIRE |
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