4730-00-235-4080 (MILF18180)
NSN 4730-00-235-4080 (NIIN 00-235-4080) is a pipe flange in Federal Supply Class 4730, Hose, Pipe, Tube, Lubrication, And Railing Fittings — an item solid or split into halves, having a threaded or unthreaded hole for the purpose of connecting or retaining a pipe, tube, or hose fitting. Manufacturer part number MILF18180 (Military Specifications, CAGE 81349); also referenced as B16.5 (American National Standards); 16 2-1/2, 16-1 1-2 (Ati Ladish LLC); M18180/3 07A01 (Military Specifications); 502 1-2IN (Tube Turns Technologies Inc).
NIIN assigned January 1961; DEMIL A (none required); unit of issue EA (each), $24.09 gov standard price; export Schedule B 7307.91.2000; ships at 7.728 lb / 0.1065 cu ft. Supersedes 4730-00-476-5343 (1982), 4730-00-518-4541 (1982), 4730-00-727-6685 (1972).