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 4140-01-599-5619
NSN 5920-00-427-7267
NSN 5935-01-203-6753
NSN 5925-00-929-7718
NSN 6320-01-569-2672
NSN 5905-00-772-1583
NSN 6135-01-136-1059
NSN 2925-00-473-9532
NSN 6145-01-003-8665
NSN 6650-01-502-6761
NSN 6610-01-626-2327
NSN 6320-00-925-0558