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National Stock Number:
5310-01-612-1553
Federal Supply Class:
5310
National Item Identification Number:
016121553
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:
| 4028881 | 45152 | OSHKOSH CORP | | 4028881 | 75Q65 | OSHKOSH DEFENSE LLC | | 4028881004 | 45152 | OSHKOSH CORP | | 4028881004 | 75Q65 | OSHKOSH DEFENSE LLC |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | HOLE DIAMETER | 0.276 INCHES MINIMUM AND 0.296 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM F844 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL OVERALL | | III PART NAME ASSIGNED BY CONTROLLING AGENCY | WASH,FLT,INCH,MB,TAB | | PERIPHERAL SHAPE STYLE | ROUND | | PROPRIETARY CHARACTERISTICS | PACS | | OVERALL DIAMETER | 0.620 INCHES MINIMUM AND 0.640 INCHES MAXIMUM | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | D60,TY 1 PER F-100 MFR REF SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | ZINC AND PHOSPHATE OVERALL | | THICKNESS | 0.051 INCHES MINIMUM AND 0.080 INCHES MAXIMUM |
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