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National Stock Number:
5310-00-027-3297
Federal Supply Class:
5310
National Item Identification Number:
000273297
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:
| C1FW20 | 04264 | GYRUS ACMI L.P. | | C1FW20 | 32212 | OLYMPUS AMERICA INC |
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Techincal Specification:
| MATERIAL | PLASTIC OVERALL | | CENTER HOLE SHAPE STYLE | ROUND | | HOLE DIAMETER | 0.052 INCHES MINIMUM AND | | 0.058 INCHES MAXIMUM | | PERIPHERAL SHAPE STYLE | ROUND | | OVERALL DIAMETER | 0.122 INCHES MINIMUM AND | | 0.128 INCHES MAXIMUM | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | THICKNESS | 0.0115 INCHES MINIMUM AND | | 0.0185 INCHES MAXIMUM | | HARDNESS RATING | 105.0 ROCKWELL M NOMINAL | | MINIMUM TENSILE STRENGTH | 11000 POUNDS PER SQUARE INCH | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 04264 | | DESIGN CONTROL REFERENCE | C1FW20 |
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