5960-00-868-5598 (302-2A3)
NSN 5960-00-868-5598 (NIIN 00-868-5598) is an electron tube retainer in Federal Supply Class 5960, Electron Tubes And Associated Hardware — an item specifically designed to restrain the movement of an electron tube when the latter is mounted in another item, normally a tube socket. Manufacturer part number 302-2A3 (Birtcher Corp, CAGE 07387); also referenced as 9157330-2 (Us Army Aviation And Missile Command).
Key specs: post locking tab; full characteristics table below. NIIN assigned January 1960; DEMIL A (none required); export Schedule B 8540.99.0000.