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 5905-01-020-8389
NSN 5925-01-461-3594
NSN 5965-01-431-7377
NSN 5990-01-170-6081
NSN 4140-00-860-0090
NSN 6645-00-137-7699
NSN 6220-01-171-8383
NSN 5835-00-005-2311
NSN 5925-01-556-4433
NSN 5835-01-441-4746
NSN 5975-01-581-2006
NSN 5998-00-218-1360