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National Stock Number:
5310-01-421-1982
Federal Supply Class:
5310
National Item Identification Number:
014211982
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:
| 29516463 | 73342 | ALLISON TRANSMISSION INC | | 5HD846 | 45152 | OSHKOSH CORP | | 5HD846 | 75Q65 | OSHKOSH DEFENSE LLC |
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Techincal Specification:
| MATERIAL | STEEL COMP 1050 OR | | STEEL COMP 1053 OR | | STEEL COMP 1055 OR | | STEEL COMP 1060 OR | | STEEL COMP 1064 OR | | STEEL COMP 1065 OR | | STEEL COMP 1069 OR | | STEEL COMP 1070 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | SAE J403 ASSN STD ALL MATERIAL RESPONSES OVERALL | | CENTER HOLE SHAPE STYLE | ROUND | | HOLE DIAMETER | 0.300 INCHES MINIMUM AND | | 0.320 INCHES MAXIMUM | | PERIPHERAL SHAPE STYLE | ROUND | | OVERALL DIAMETER | 0.830 INCHES MINIMUM AND | | 0.850 INCHES MAXIMUM | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | THICKNESS | 0.075 INCHES MINIMUM AND | | 0.095 INCHES MAXIMUM | | HARDNESS RATING | 38.0 ROCKWELL C MINIMUM AND | | 45.0 ROCKWELL C MAXIMUM |
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