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National Stock Number:
5310-01-548-0433
Federal Supply Class:
5310
National Item Identification Number:
015480433
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:
| HS5975-02 | 2Z106 | FRACCARO INDUSTRIES INC | | HS5975-02 | 8V613 | THE BOEING COMPANY |
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Techincal Specification:
| MATERIAL | STEEL COMP 301 OR | | STEEL COMP 303 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A 240 NATIONAL STD/SPEC ALL MATERIAL RESPONSES OR | | ASTM A 666 NATIONAL STD/SPEC ALL MATERIAL RESPONSES OR | | AMS 5640 NATIONAL STD/SPEC ALL MATERIAL RESPONSES OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 MIL STD ALL TREATMENT RESPONSES OVERALL | | CENTER HOLE SHAPE STYLE | ROUND | | HOLE DIAMETER | 1.995 INCHES NOMINAL | | PERIPHERAL SHAPE STYLE | ROUND | | PART NAME ASSIGNED BY CONTROLLING AGENCY | WASHER, AIRFRAME |
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