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National Stock Number:
5310-00-600-0757
Federal Supply Class:
5310
National Item Identification Number:
006000757
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:
| 5761 | 02121 | GOODRICH AEROSPACE CANADA LTD. | | 5761-5 | 02121 | GOODRICH AEROSPACE CANADA LTD. |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | HOLE DIAMETER | 1.062 INCHES MINIMUM AND 1.082 INCHES MAXIMUM | | OVERALL DIAMETER | 1.990 INCHES MINIMUM AND 2.010 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5000,COND D MIL SPEC 1ST MATERIAL RESPONSE AND MIL-S-6758,COND D MIL SPEC 2ND MATERIAL RESPONSE OR MIL-S-18729,COND N MIL SPEC 2ND MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 4340 OR STEEL COMP 4130 OVERALL | | PERIPHERAL SHAPE STYLE | ROUND | | SURFACE FINISH | 32.0 MICROINCHES BOTTOM | | SURFACE FINISH | 32.0 MICROINCHES TOP | | THICKNESS | 0.057 INCHES MINIMUM AND 0.062 INCHES MAXIMUM |
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