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National Stock Number:
5310-00-754-1711
Federal Supply Class:
5310
National Item Identification Number:
007541711
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:
| 10012631 | 18876 | U S ARMY AVIATION AND MISSILE COMMAND | | 99867-4 | 59364 | HONEYWELL INTERNATIONAL INC. | | 99867-4 | 70210 | HONEYWELL INTERNATIONAL INC. | | 99867-4 | 72599 | ALLIEDSIGNAL INC DBA ALLIED-SIGNAL AEROSPACE CO | | 99867-4 | 99193 | HONEYWELL INTERNATIONAL INC. |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | HARDNESS RATING | 30.0 ROCKWELL C MINIMUM AND 37.0 ROCKWELL C MAXIMUM | | HOLE DIAMETER | 0.385 INCHES MINIMUM AND 0.391 INCHES MAXIMUM | | OVERALL DIAMETER | 0.560 INCHES MINIMUM AND 0.590 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5785 ASSN STD 1ST MATERIAL RESPONSE AND AMS 5542 ASSN STD 2ND MATERIAL RESPONSE OVERALL | | MATERIAL | IRON ALLOY 29-9 AND NICKEL ALLOY X-750 OVERALL | | PERIPHERAL SHAPE STYLE | ROUND | | THICKNESS | 0.02275 INCHES MINIMUM AND 0.02325 INCHES MAXIMUM |
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