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National Stock Number:
5310-00-546-5748
Federal Supply Class:
5310
National Item Identification Number:
005465748
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:
| 98293 | 73030 | HAMILTON SUNDSTRAND CORPORATION |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | HARDNESS RATING | 55.0 ROCKWELL C MINIMUM AND 59.0 ROCKWELL C MAXIMUM | | HOLE DIAMETER | 0.626 INCHES MINIMUM AND 0.628 INCHES MAXIMUM | | INSIDE LEFT CORNER CHAMFER ANGLE | 25.0 DEGREES MINIMUM AND 35.0 DEGREES MAXIMUM | | OVERALL DIAMETER | 1.140 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5132 ASSN STD 1ST MATERIAL RESPONSE OR SAE ASSN STD 2ND MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 1095 OR STEEL COMP 1090 OVERALL | | PERIPHERAL SHAPE STYLE | DEE | | WIDTH | 1.225 INCHES MINIMUM AND 1.230 INCHES MAXIMUM | | THICKNESS | 0.069 INCHES MINIMUM AND 0.071 INCHES MAXIMUM |
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