A nonmetallic circular item with an aperature, having a solid round cross-section. They are used primarily for sealing. For items with other than round cross section, see packing,preformed. For noncircular items with a round cross-section, see seal,nonmetallic round section and rubber,round section.
NSN 6650-00-900-0049
NSN 6110-00-630-5255
NSN 5990-00-591-3793
NSN 6240-01-081-9555
NSN 5975-00-719-9793
NSN 5990-00-116-6590
NSN 5905-01-285-7797
NSN 6645-01-201-5802
NSN 6320-01-536-3077
NSN 6320-00-646-3311
NSN 5985-01-633-6977
NSN 5965-00-007-7863