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 5920-01-185-2222
NSN 5990-00-983-7530
NSN 6685-00-689-6510
NSN 5895-00-519-9830
NSN 6650-00-698-5869
NSN 5835-01-368-4015
NSN 5960-00-722-2486
NSN 4140-01-127-8992
NSN 5925-00-949-7359
NSN 6320-00-937-5625
NSN 6320-01-393-7022
NSN 6145-00-275-4046