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 5999-00-538-3679
NSN 6645-00-126-0286
NSN 5945-01-473-4342
NSN 5965-00-568-5802
NSN 5920-01-371-3112
NSN 6240-00-816-6749
NSN 2925-01-079-6229
NSN 6320-00-164-4087
NSN 6110-00-636-1234
NSN 5925-01-513-9193
NSN 5990-01-491-8900
NSN 6240-01-067-6457