Plug consists of metal disc; includes sealing ring fitting on circumferance of disc
NSN 5905-01-223-9315
NSN 5910-01-615-6402
NSN 5985-01-210-5066
NSN 5930-01-658-5242
NSN 6150-01-236-6822
NSN 5910-01-230-9264
NSN 5905-01-634-0595
NSN 5996-00-764-6258
NSN 4140-01-124-1630
NSN 5990-00-812-6491
NSN 6240-00-204-0459
NSN 6130-01-414-8840