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 5920-01-431-5791
NSN 5975-01-477-0571
NSN 2925-01-416-6927
NSN 4140-00-226-4258
NSN 6240-01-335-2622
NSN 6240-01-285-7857
NSN 5965-01-537-0023
NSN 6105-00-113-5558
NSN 6105-01-181-9310
NSN 6135-00-182-7008
NSN 5998-00-067-9514
NSN 4140-01-444-2083