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 2925-00-233-5644
NSN 6320-00-450-7014
NSN 6645-01-134-8137
NSN 5935-01-319-7719
NSN 6130-01-251-9185
NSN 6150-01-026-0913
NSN 6650-01-454-6878
NSN 6145-01-615-5068
NSN 5835-01-502-9228
NSN 6240-00-820-1705
NSN 6685-01-297-4367
NSN 4140-01-435-4211