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 5985-01-415-5701
NSN 2925-01-183-2897
NSN 4140-00-122-6422
NSN 5985-01-468-0004
NSN 5905-00-457-3606
NSN 5935-00-657-1527
NSN 5905-01-386-7559
NSN 6610-01-015-9798
NSN 5985-01-069-3816
NSN 5895-00-473-8812
NSN 6650-01-038-9079
NSN 5985-00-553-6082