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 4140-01-420-5421
NSN 5910-01-157-9687
NSN 5999-00-501-0703
NSN 6650-01-303-4662
NSN 6645-00-330-2813
NSN 5945-00-016-0096
NSN 5965-01-498-4023
NSN 5895-01-123-1171
NSN 6610-01-462-5561
NSN 6135-01-092-4734
NSN 6110-00-361-6510
NSN 5925-01-290-9491