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 5925-01-432-1698
NSN 6110-01-519-3127
NSN 6105-01-462-3627
NSN 4140-01-308-1075
NSN 5945-00-232-0460
NSN 6130-01-065-0541
NSN 6645-00-079-1430
NSN 5998-01-068-4581
NSN 5965-01-058-1076
NSN 6220-01-087-2878
NSN 5950-01-164-1112
NSN 6145-00-017-9707