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 6610-01-601-1081
NSN 4140-01-133-9011
NSN 6240-01-539-2806
NSN 5855-01-098-9038
NSN 5925-01-559-7158
NSN 6240-01-308-1848
NSN 5945-01-204-3507
NSN 6645-01-487-6282
NSN 6105-00-050-6295
NSN 6650-00-144-4555
NSN 6130-00-595-5943
NSN 5920-01-361-8620