4730-00-910-5310 (MS21921V12PANDMS21922-12)
NSN 4730-00-910-5310 (NIIN 00-910-5310) is a tubecoupling nut in Federal Supply Class 4730, Hose, Pipe, Tube, Lubrication, And Railing Fittings — an internally threaded nut which has either an internal seat or shoulder and/or is designed to be used with a ferrule. Manufacturer part number MS21921V12PANDMS21922-12 (Society Of Automotive Engineers Inc, CAGE 81343); also referenced as MS21921-12ANDMS21922-12 (Military Standards); AS18280, AS21921, AS21922 (Society Of Automotive Engineers Inc).
NIIN assigned July 1966; DEMIL A (none required); unit of issue EA (each), $46.04 gov standard price; export Schedule B 7318.16.0000. Supersedes 4730-00-640-1912 (1969).