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National Stock Number:
5310-00-064-9437
Federal Supply Class:
5310
National Item Identification Number:
000649437
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:
| 1-080-051-01 | 78U39 | OZARK AEROWORKS LLC | | 1-080-051-01 | 81996 | U S ARMY AVIATION AND MISSILE COMMAND | | 1-080-051-01 | 91547 | HONEYWELL INTERNATIONAL INC DBA ENGINES & SYSTEMS | | 1-080-051-01 | 99193 | HONEYWELL INTERNATIONAL INC. | | 1-080-051-01 | 9A148 | NORCATEC LLC | | 1-080-051-01 | D0272 | ROLLS-ROYCE DEUTSCHLAND LTD & CO KG DBA ROLLS-ROYCE DEUTSCHLAND |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | HARDNESS RATING | 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM | | HOLE DIAMETER | 0.445 INCHES MINIMUM AND 0.455 INCHES MAXIMUM | | OVERALL DIAMETER | 0.750 INCHES MINIMUM AND 0.760 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 6370 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 4130 OVERALL | | PERIPHERAL SHAPE STYLE | ROUND | | SURFACE FINISH | 63.0 MICROINCHES BOTTOM | | SURFACE FINISH | 63.0 MICROINCHES TOP | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS 2400 ASSN STD SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | CADMIUM OVERALL | | THICKNESS | 0.110 INCHES MINIMUM AND 0.130 INCHES MAXIMUM |
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