4210-00-203-3512 RAKE,FOREST FIRE Index 4320-00-203-3517 RING,WEARING

National Stock Number:
4320-00-203-3516

Federal Supply Class:
4320

National Item Identification Number:
002033516

Description:
RING,WEARING

Detail:
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.


Manufacturer Information:
B37A63857CIRCOR NAVAL SOLUTIONS LLC
BS5-1449PC763857CIRCOR NAVAL SOLUTIONS LLC
BS5-145063857CIRCOR NAVAL SOLUTIONS LLC
BS5-1450PC763857CIRCOR NAVAL SOLUTIONS LLC
BS797PC60S63857CIRCOR NAVAL SOLUTIONS LLC
CA68S4605-60ALT5PC780064NAVAL SHIP SYSTEMS COMMAND
CA68S4605-62ALT7PC780064NAVAL SHIP SYSTEMS COMMAND
CL49S46-051PC60S80064NAVAL SHIP SYSTEMS COMMAND
CL49S46-17PC60S80064NAVAL SHIP SYSTEMS COMMAND
CVL48S4602-582626ALT6PC780064NAVAL SHIP SYSTEMS COMMAND
CVL48S4602-582627ALT5PC780064NAVAL SHIP SYSTEMS COMMAND


Techincal Specification:
BODY INSIDE DIAMETER7.886 INCHES MINIMUM AND 7.888 INCHES MAXIMUM
BODY OUTSIDE DIAMETER8.362 INCHES MINIMUM AND 8.364 INCHES MAXIMUM
BODY STYLEPLAIN W/INTERNAL FLANGE
CHAMFER ANGLE45.0 DEGREES NOMINAL INSIDE RIGHT CORNER
CHAMFER LENGTH0.062 INCHES MINIMUM AND 0.078 INCHES MAXIMUM INSIDE RIGHT CORNER
CORNER SHAPECHAMFERED INSIDE RIGHT CORNER
CORNER SHAPESQUARE INSIDE LEFT CORNER
CORNER SHAPESQUARE OUTSIDE LEFT CORNER
CORNER SHAPESQUARE OUTSIDE RIGHT CORNER
INTERNAL FLANGE INSIDE DIAMETER7.749 INCHES MINIMUM AND 7.750 INCHES MAXIMUM
INTERNAL FLANGE WIDTH0.625 INCHES NOMINAL
OVERALL LENGTH0.812 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-C-390,ALLOY D5 FED SPEC SINGLE MATERIAL RESPONSE
MATERIALCOPPER ALLOY
SPECIAL FEATURESTHREE COUNTERSUNK HOLES,0.312 IN. MIN ID 0.375 IN. MAX ID,IN OUTER PERIPHERY SPACED 120 DEGREE APART LOCATED 0.312 IN. FROM INTERNAL FLANGE END; W/THREE SET SCREWS
SURFACE FINISH125.0 MICROINCHES INSIDE
SURFACE FINISH125.0 MICROINCHES COUNTERBORE
SURFACE FINISH125.0 MICROINCHES LEFT FACE
SURFACE FINISH125.0 MICROINCHES OUTSIDE
SURFACE FINISH125.0 MICROINCHES RIGHT FACE


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