Ordering Description Product number Description: Velocity Conductor Tube Stainless Steel Sleeve, 5 Per Pkg Product number: 1640-1397 Description: Velocity Conductor Tube Nozzle Collar, 5 Per Pkg Product number: 1640-1398 Description: Velocity Conductor Tube Wave Spring, 10 Per Pkg Product number: 1640-1399 Description: Velocity Conductor Tube Retaining Ring, 10 Per Pkg Product number: 1640-1396 Description: O-Ring, 10 Per Pkg Product number: 9471-0036