5325-00-143-0261 GROMMET,NONMETALLIC Index 5340-00-143-0263 WHEEL,SOLID,NONMETALLIC

National Stock Number:
5365-00-143-0262

Federal Supply Class:
5365

National Item Identification Number:
001430262

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:
9855-514X2PC496169ELECTRIC BOAT CORPORATION
SSBN598-209-2212044PC480064NAVAL SHIP SYSTEMS COMMAND


Techincal Specification:
INSIDE DIAMETER2.969 INCHES NOMINAL
OUTSIDE DIAMETER3.719 INCHES NOMINAL
OVERALL THICKNESS0.250 INCHES NOMINAL
MATERIALPLASTIC POLYAMIDE


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