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 6650-01-265-2672
NSN 5996-01-509-4874
NSN 5910-01-178-8735
NSN 4140-01-571-5717
NSN 2925-00-081-3547
NSN 5999-01-232-1354
NSN 6620-01-557-6512
NSN 6320-00-445-1187
NSN 6320-01-358-0141
NSN 6240-01-119-1512
NSN 6135-00-756-6149
NSN 5895-00-036-3960