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 6610-00-536-4977
NSN 5855-00-586-6255
NSN 6105-01-189-5020
NSN 5920-01-415-2878
NSN 5945-01-576-1689
NSN 5920-00-925-2639
NSN 5945-00-473-0508
NSN 6645-00-494-3065
NSN 6130-01-075-9834
NSN 6645-00-928-7208
NSN 6145-01-086-6897
NSN 5935-01-215-1422