5965-00-089-7347 (182B042-1)
NSN 5965-00-089-7347 (NIIN 00-089-7347) is a rear grid assembly in Federal Supply Class 5965, Headsets, Handsets, Microphones And Speakers. Manufacturer part number 182B042-1 (Telephonics Corp, CAGE 78711); also referenced as SM-B-172181 (Us Army Communications & Electronics).
NIIN assigned July 1967; DEMIL A (none required).