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 5855-00-198-3197
NSN 5930-00-473-2721
NSN 6105-01-385-1046
NSN 5930-01-222-5297
NSN 6320-01-344-6511
NSN 5999-01-125-2554
NSN 6645-00-933-2170
NSN 5996-00-883-2051
NSN 4140-01-254-3689
NSN 5990-01-432-4984
NSN 6110-01-489-5482
NSN 5960-01-257-0225