4820-01-479-5979 VALVE,SAFETY RELIEF Index 4720-01-479-5981 HOSE ASSEMBLY,NONMETALLIC

National Stock Number:
5365-01-479-5980

Federal Supply Class:
5365

National Item Identification Number:
014795980

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:
1449844653711NAVAL SEA SYSTEMS COMMAND
167-6404628-13453711NAVAL SEA SYSTEMS COMMAND
167-640819153711NAVAL SEA SYSTEMS COMMAND
167-6408191-4953711NAVAL SEA SYSTEMS COMMAND


Techincal Specification:
INSIDE DIAMETER1.505 INCHES NOMINAL
MATERIALNICKEL
PROPRIETARY CHARACTERISTICSPACS
OUTSIDE DIAMETER2.125 INCHES NOMINAL
OVERALL THICKNESS0.125 INCHES NOMINAL
SPECIAL FEATURESITEM IS COUNTERBORED,I.D.,2X156X90 DEGREES; TECH DATA NOT TO BE RELEASED OUTSIDE U.S.


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