NSN 2935-01-138-4258

Part Details | WEARING RING

2935-01-138-4258 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: 506447870048, 506-4478700-48, 2935-01-138-4258, 01-138-4258, 2935011384258, 011384258

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
29SEP 12, 198201-138-425822534 ( RING, WEARING )
REFERENCE DRAWINGS & PICTURES

PLAIN W/INTERNAL FLANGE

RING,WEARING | 2935-01-138-4258, 011384258
Cross Reference | NSN 2935-01-138-4258
Part Number Cage Code Manufacturer
506-4478700-4881898SUPERVISOR OF SHIPBUILDINGCONVERSION AND REPAIR USN
Technical Data | NSN 2935-01-138-4258
Characteristic Specifications
MATERIAL NICKEL ALLOY
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE
BODY STYLE3 PLAIN W/INTERNAL FLANGE
GROOVE DEPTH0.173 INCHES NOMINAL
GROOVE WIDTH0.187 INCHES MINIMUM AND 0.192 INCHES MAXIMUM
OVERALL LENGTH1.375 INCHES NOMINAL
BODY OUTSIDE DIAMETER8.373 INCHES MINIMUM AND 8.374 INCHES MAXIMUM
BODY INSIDE DIAMETER7.855 INCHES MINIMUM AND 7.856 INCHES MAXIMUM
END TO FLANGE DISTANCE0.625 INCHES NOMINAL
CENTER FLANGE THICKNESS0.240 INCHES MINIMUM AND 0.245 INCHES MAXIMUM
SMALLEST EXTERNAL ANCHOR FLANGE RADIUS4.281 INCHES NOMINAL
LARGEST EXTERNAL ANCHOR FLANGE RADIUS4.438 INCHES NOMINAL
DISTANCE BELOW CENTERLINE0.062 INCHES NOMINAL