5855-01-474-6820 RING,RETAINING,OPTICAL ELEMENT Index 5995-01-474-6822 CABLE ASSEMBLY,SPECIAL PURPOSE,E

National Stock Number:
5365-01-474-6821

Federal Supply Class:
5365

National Item Identification Number:
014746821

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:
124-4322618 PC 2353711NAVAL SEA SYSTEMS COMMAND


Techincal Specification:
INSIDE DIAMETER1.813 INCHES NOMINAL
OUTSIDE DIAMETER2.250 INCHES NOMINAL
OVERALL THICKNESS0.438 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-B-726 FED SPEC SINGLE MATERIAL RESPONSE
MATERIALCOPPER ALLOY 865


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