5970-00-224-5228 (5)
NSN 5970-00-224-5228 (NIIN 00-224-5228) is a knob insulator in Federal Supply Class 5970, Electrical Insulators And Insulating Materials — an insulator of generally cylindrical shape which is designed to be attached to a rigid structure. Manufacturer part number 5; also referenced as IN37 (Us Army Communications & Electronics); 5 1/2, 5 1/2 IN37 (Procelain Products Co).
NIIN assigned January 1963; DEMIL A (none required); export Schedule B 8546.90.0000; ships at 0.02 lb / 0.001 cu ft. Supersedes 5970-00-227-9081 (1985).