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 5910-01-358-6928
NSN 6320-00-937-5625
NSN 6135-01-597-1901
NSN 4140-01-528-6391
NSN 5895-00-944-5710
NSN 6145-01-556-1463
NSN 5965-01-598-1231
NSN 2925-01-412-9520
NSN 6220-01-082-2229
NSN 5990-00-133-7734
NSN 2925-01-243-0328
NSN 5920-01-026-2559