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National Stock Number:
5310-01-030-4669
Federal Supply Class:
5310
National Item Identification Number:
010304669
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:
| 69456A20 | 33615 | ENJET AERO MANCHESTER LLC | | 69456A20 | 73030 | HAMILTON SUNDSTRAND CORPORATION | | 69456A20 | 7F069 | MERIDEN MANUFACTURING, INC |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | HARDNESS RATING | 70.0 ROCKWELL B MINIMUM AND 100.0 ROCKWELL B MAXIMUM | | HOLE DIAMETER | 0.296 INCHES MINIMUM AND 0.302 INCHES MAXIMUM | | OVERALL DIAMETER | 0.495 INCHES MINIMUM AND 0.520 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5513 ASSN STD 1ST MATERIAL RESPONSE OR AMS 5515 ASSN STD 2ND MATERIAL RESPONSE OR ASTM A582 ASSN STD 3RD MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 304 OR STEEL COMP 302 OR STEEL COMP 303 OVERALL | | PERIPHERAL SHAPE STYLE | ROUND | | THICKNESS | 0.056 INCHES MINIMUM AND 0.069 INCHES MAXIMUM |
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