4920-00-705-4585 TUBE AND FITTING AS Index 3020-00-705-4596 GEAR,HELICAL

National Stock Number:
5365-00-705-4588

Federal Supply Class:
5365

National Item Identification Number:
007054588

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.


Manufacturer Information:
7M67-876301THE BOEING COMPANY


Techincal Specification:
INSIDE DIAMETER0.434 INCHES MINIMUM AND 0.436 INCHES MAXIMUM
OUTSIDE DIAMETER0.571 INCHES MINIMUM AND 0.572 INCHES MAXIMUM
OVERALL THICKNESS0.080 INCHES MINIMUM AND 0.090 INCHES MAXIMUM
MATERIALSTEEL
SURFACE TREATMENTPASSIVATE


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