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 6240-00-019-3186
NSN 6610-00-001-2517
NSN 6105-01-429-8577
NSN 5999-01-362-0676
NSN 6620-01-324-7809
NSN 6610-00-066-9353
NSN 6645-01-236-6387
NSN 2925-01-015-9170
NSN 5990-00-492-5063
NSN 6145-01-044-5278
NSN 6650-01-431-9625
NSN 5990-00-824-0236