4730-00-541-3061 (CAPTUBE3-4IN0D)
NSN 4730-00-541-3061 (NIIN 00-541-3061) is a tube cap in Federal Supply Class 4730, Hose, Pipe, Tube, Lubrication, And Railing Fittings — a tube fitting primarily designed for permanent installation during tubing system operation to fit over or butt against a tube or fitting for sealing. Manufacturer part number CAPTUBE3-4IN0D (Imperial, CAGE 30327); also referenced as TUBECAP (Mueller Brass Co.).
NIIN assigned January 1963; DEMIL A (none required); export Schedule B 7412.10.0000. Supersedes 4730-00-973-9390 (2023).