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National Stock Number:
5310-01-584-3537
Federal Supply Class:
5310
National Item Identification Number:
015843537
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:
| 21883R1 | 338X5 | ND DEFENSE LLC | | 21883R1 | 5F5P2 | ASF LOGISTICS, LLC | | 21883R1 | 89346 | NAVISTAR INTL CORP TRUCK BR OHIO PLANT |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | HOLE DIAMETER | 0.531 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | CST MFR REF SINGLE MATERIAL RESPONSE OVERALL | | III PART NAME ASSIGNED BY CONTROLLING AGENCY | PLAIN WASHERS TYPE B (WIDE) - NON PREFERRED PARTS | | PERIPHERAL SHAPE STYLE | ROUND | | PROPRIETARY CHARACTERISTICS | PACS | | OVERALL DIAMETER | 1.750 INCHES NOMINAL | | SPECIAL FEATURES | THICKNESS IS 0.090 INCHES NOMINAL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | ZN6A MFR REF SINGLE TREATMENT RESPONSE OVERALL |
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