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National Stock Number:
5310-01-155-9820
Federal Supply Class:
5310
National Item Identification Number:
011559820
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:
| 19AS340 | 45152 | OSHKOSH CORP | | 19AS340 | 75Q65 | OSHKOSH DEFENSE LLC | | 22962-8 | 28158 | HME, INC. | | 2AT651 | 45152 | OSHKOSH CORP | | 2AT651 | 75Q65 | OSHKOSH DEFENSE LLC |
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Techincal Specification:
| PERIPHERAL SHAPE STYLE | ROUND | | PROPRIETARY CHARACTERISTICS | PACS | | OVERALL DIAMETER | 1.734 INCHES MINIMUM AND 1.766 INCHES MAXIMUM | | SPECIAL FEATURES | WEAPON SYSTEM ESSENTIAL | | SURFACE FINISH | 80.0 MICROINCHES BOTTOM | | SURFACE FINISH | 80.0 MICROINCHES TOP | | THICKNESS | 0.124 INCHES MINIMUM AND 0.144 INCHES MAXIMUM | | CENTER HOLE SHAPE STYLE | ROUND | | CRITICALITY CODE JUSTIFICATION | FEAT | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | HARDNESS RATING | 40.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM | | HOLE DIAMETER | 1.015 INCHES MINIMUM AND 1.047 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | SAE ASSN STD ALL MATERIAL RESPONSES OVERALL | | MATERIAL | STEEL COMP 1040 OVERALL OR STEEL COMP 1060 OVERALL OR STEEL COMP 1064 OVERALL OR STEEL COMP 1065 OVERALL OR STEEL COMP 1070 OVERALL OR STEEL COMP 1075 OVERALL |
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