4730-01-140-4853 (502-4685887ITEMF52)
NSN 4730-01-140-4853 (NIIN 01-140-4853) is a pipe union in Federal Supply Class 4730, Hose, Pipe, Tube, Lubrication, And Railing Fittings — a straight pipe fitting designed to join two lengths of pipe or pipe fittings in such a manner that they may be disconnected without disturbing the rest. Manufacturer part number 502-4685887ITEMF52 (Naval Ship Systems Command, CAGE 80064); also referenced as MILF1183 (Milwaukee Valve Co, Inc); M1183/10-10N1, MIL-DTL-1183/10 (Military Specifications); 15-00-7660, 87645-5421, 87645.5421ITEM F52 (Electric Boat Corporation); 0501-6, 0501-6 PIECE 41 (Flair Corporation), plus 1 more in the reference table below.
Key specs: 200 psi maximum first response operating pressure; 400 psi maximum second response operating pressure; full characteristics table below. NIIN assigned October 1982; DEMIL A (none required); unit of issue EA (each), $46.80 gov standard price; export Schedule B 7412.20.0000; ships at 0.3688 lb / 0.0165 cu ft. Supersedes 4730-01-108-9705 (1996).