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National Stock Number:
5310-01-030-4910
Federal Supply Class:
5310
National Item Identification Number:
010304910
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:
| 3163603-1 | 59364 | HONEYWELL INTERNATIONAL INC. | | 3163603-1 | 99193 | HONEYWELL INTERNATIONAL INC. |
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Techincal Specification:
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-763 FED SPEC 1ST MATERIAL RESPONSE OR | | QQ-S-763 FED SPEC 2ND MATERIAL RESPONSE OR | | MIL-S-6721 MIL SPEC ALL MATERIAL RESPONSES OVERALL | | CENTER HOLE SHAPE STYLE | ROUND | | HOLE DIAMETER | 0.530 INCHES MINIMUM AND | | 0.535 INCHES MAXIMUM | | PERIPHERAL SHAPE STYLE | ROUND | | OVERALL DIAMETER | 0.830 INCHES MINIMUM AND | | 0.835 INCHES MAXIMUM | | THICKNESS | 0.020 INCHES MINIMUM AND | | 0.025 INCHES MAXIMUM | | SURFACE FINISH | 32.0 MICROINCHES BOTTOM | | SPECIAL FEATURES | CHAMFER 40 DEG MIN,45 DEG MAX BY 0.015 IN. MIN,0.020 IN. MAX ON ONE SIDE | | PART NAME ASSIGNED BY CONTROLLING AGENCY | NAVY SPECIAL PROJECT |
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