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National Stock Number:
5310-01-305-7574
Federal Supply Class:
5310
National Item Identification Number:
013057574
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:
| 10088120 | A486G | NIMIKKEISTOKESKUS NCB FINLAND | | 13027136-6 | 18876 | U S ARMY AVIATION AND MISSILE COMMAND | | 13027136-6 | 39484 | WYNNSON ENTERPRISES, INC. |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | MATERIAL | STEEL COMP 301 OVERALL | | PERIPHERAL SHAPE STYLE | ROUND | | TEST DATA DOCUMENT | 18876-13027136-6 DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.; EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWING) | | THICKNESS | 0.7 MILLIMETERS MINIMUM AND 0.8 MILLIMETERS MAXIMUM |
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