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National Stock Number: 5310-00-621-0763
Federal Supply Class: 5310
National Item Identification Number: 006210763
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:
69456A15 | 73030 | HAMILTON SUNDSTRAND CORPORATION |
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Techincal Specification:
CENTER HOLE SHAPE STYLE | ROUND | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | HARDNESS RATING | 65.0 ROCKWELL B MINIMUM AND 105.0 ROCKWELL B MAXIMUM | HOLE DIAMETER | 0.207 INCHES MINIMUM AND 0.211 INCHES MAXIMUM | OVERALL DIAMETER | 0.370 INCHES MINIMUM AND 0.395 INCHES MAXIMUM | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5513 ASSN STD 1ST MATERIAL RESPONSE OR AMS 5515 ASSN STD 2ND MATERIAL RESPONSE OR ASTM A582,COND A ASSN STD 3RD MATERIAL RESPONSE OR AMS 5640 ASSN STD 3RD MATERIAL RESPONSE OR AMS 5640 ASSN STD 4TH MATERIAL RESPONSE OR AMS 5640 ASSN STD 5TH MATERIAL RESPONSE OVERALL | MATERIAL | STEEL COMP 304 OR STEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 303 PLUS X OR STEEL COMP 303SE OVERALL | PERIPHERAL SHAPE STYLE | ROUND | THICKNESS | 0.013 INCHES MINIMUM AND 0.019 INCHES MAXIMUM |
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