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 5905-00-617-5102
NSN 6240-01-209-5321
NSN 6135-01-487-0773
NSN 5930-00-004-1797
NSN 5930-00-259-7150
NSN 6135-01-604-8739
NSN 6650-01-441-6578
NSN 6650-01-171-2838
NSN 5996-00-720-3064
NSN 5910-01-397-9937
NSN 5925-01-330-3434
NSN 6650-00-590-9073