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National Stock Number:
5310-01-279-8911
Federal Supply Class:
5310
National Item Identification Number:
012798911
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:
| S9011F328-100 | 2N935 | BOEING DISTRIBUTION SERVICES X, INC. | | S9011F328-100 | 59364 | HONEYWELL INTERNATIONAL INC. |
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Techincal Specification:
| CENTER HOLE SHAPE STYLE | ROUND | | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | | HOLE DIAMETER | 4.970 INCHES MINIMUM AND 4.990 INCHES MAXIMUM | | OVERALL DIAMETER | 5.380 INCHES MINIMUM AND 5.400 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5059 MIL SPEC 1ST MATERIAL RESPONSE OR AMS ASSN STD 2ND MATERIAL RESPONSE OR QQ-S-763 FED SPEC 3RD MATERIAL RESPONSE OR MIL-T-8504 MIL SPEC 4TH MATERIAL RESPONSE OR MIL-T-8606 MIL SPEC 5TH MATERIAL RESPONSE OR MIL-T-8808 MIL SPEC ALL MATERIAL RESPONSES OVERALL | | MATERIAL | STEEL COMP 301 OR STEEL COMP 302 OR STEEL COMP 304 OR STEEL COMP 316 OVERALL | | PERIPHERAL SHAPE STYLE | ROUND | | THICKNESS | 0.100 INCHES NOMINAL |
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