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National Stock Number:
5310-00-492-6147
Federal Supply Class:
5310
National Item Identification Number:
004926147
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:
| 203724-1 | 70210 | HONEYWELL INTERNATIONAL INC. |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CRITICALITY CODE JUSTIFICATION | FEAT | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | HARDNESS RATING | 35.0 ROCKWELL C MINIMUM AND 42.0 ROCKWELL C MAXIMUM OR 38.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM | | HOLE DIAMETER | 0.4725 INCHES MINIMUM AND 0.4727 INCHES MAXIMUM | | OVERALL DIAMETER | 1.230 INCHES MINIMUM AND 1.240 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS5643 ASSN STD SINGLE MATERIAL RESPONSE OR MIL-S-25043,COND A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL OVERALL | | PERIPHERAL SHAPE STYLE | ROUND | | SPECIAL FEATURES | OD CHAMFERED 15 TO 17 DEGREES ON ONE SURFACE | | SURFACE FINISH | 63.0 MICROINCHES BOTTOM | | SURFACE FINISH | 63.0 MICROINCHES INNER | | SURFACE FINISH | 63.0 MICROINCHES TOP | | THICKNESS | 0.062 INCHES MINIMUM AND 0.066 INCHES MAXIMUM |
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