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National Stock Number:
5365-01-121-5887
Federal Supply Class:
5365
National Item Identification Number:
011215887
Description:
SPACER,RING
Detail:
A circular-shaped item designed to maintain predetermined distance between assembled parts and/or for distributing pressure or preventing endwise movement between member parts. It has a solid cross-section and two flat parallel bearing surfaces. The distance between the bearing surfaces perpendicular to the axis of the centrally located hole shall not exceed 25 percent of the outside diameter. The diameter of the centrally located hole must exceed 75 percent of the outside diameter. Excludes laminated items. For items manufactured from impregnated graphite or lubricated nonmetallic materials, excluding felt or plastics, see GASKET. For items manufactured from lubricated plastics, see BEARING, WASHER, THRUST. For items manufactured from lubricated felt, see FELT, MECHANICAL, PREFORMED. Excludes DISK, VALVE; INSULATOR WASHER; and SHIM. See also SPACER, PLATE and SPACER, SLEEVE.
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Manufacturer Information:
| 145C2517-7 | 77272 | THE BOEING COMPANY |
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Techincal Specification:
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-225/9,T651 FED SPEC SINGLE MATERIAL RESPONSE | | MATERIAL | ALUMINUM ALLOY 7075 | | OUTSIDE DIAMETER | 0.8750 INCHES MINIMUM AND 0.8755 INCHES MAXIMUM |
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