NSN 4320-00-860-7978

Part Details | WEARING RING

4320-00-860-7978 A cylindrical item with or without flange(s), designed to be inserted in a pump casing or secured to the impeller of a centrifugal pump. It is used for the purpose of providing a close running clearance between the impeller and casing in order to prevent or overcome leakage due to erosion. It may also be used as a diffuser ring in the suction and discharge throats of valves.

Alternate Parts: 379D684PC3, 379D677H03, 379 D 67703, 379 D 677-03, 379 D 67701, 379 D 677-01, 379D684PC3, 4320-00-860-7978, 00-860-7978, 4320008607978, 008607978

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
43OCT 06, 196700-860-797822534 ( RING, WEARING )
REFERENCE DRAWINGS & PICTURES

PLAIN

Cross Reference | NSN 4320-00-860-7978
Part Number Cage Code Manufacturer
379D684PC390099NORTHROP GRUMMAN SYSTEMS CORPORATIONDBA NORTHROP GRUMMAN MARINE SYSTEMS
379D677H0390099NORTHROP GRUMMAN SYSTEMS CORPORATIONDBA NORTHROP GRUMMAN MARINE SYSTEMS
379 D 677-0390099NORTHROP GRUMMAN SYSTEMS CORPORATIONDBA NORTHROP GRUMMAN MARINE SYSTEMS
379 D 677-0190099NORTHROP GRUMMAN SYSTEMS CORPORATIONDBA NORTHROP GRUMMAN MARINE SYSTEMS
379D684PC379500WESTINGHOUSE ELECTRIC CORP
Technical Data | NSN 4320-00-860-7978
Characteristic Specifications
MATERIAL COPPER ALLOY
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-B-16261 MIL SPEC SINGLE MATERIAL RESPONSE
BODY STYLE0 PLAIN
HOLE DEPTH0.094 INCHES NOMINAL
GROOVE DEPTH0.500 INCHES NOMINAL
OVERALL LENGTH0.625 INCHES NOMINAL
BOLT CIRCLE DIAMETER6.125 INCHES NOMINAL
FLANGE DIAMETER6.875 INCHES NOMINAL
BODY OUTSIDE DIAMETER5.372 INCHES MINIMUM AND 5.373 INCHES MAXIMUM
BODY INSIDE DIAMETER4.120 INCHES MINIMUM AND 4.121 INCHES MAXIMUM
LEFT SIDE FLANGE THICKNESS0.250 INCHES NOMINAL
END TO FLANGE DISTANCE0.375 INCHES NOMINAL
BOLT HOLE QUANTITY4
GROOVE QUANTITY3
UNTHREADED MOUNTING HOLE DIAMETER0.205 INCHES NOMINAL
SPECIAL FEATURESMTG HOLES COUNTERBORED