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 6240-00-170-5302
NSN 5945-01-027-1351
NSN 5998-01-161-6171
NSN 5965-00-549-0220
NSN 6610-01-469-6235
NSN 6645-01-580-9570
NSN 5965-01-594-1983
NSN 5935-01-323-6928
NSN 5905-01-180-4940
NSN 5905-01-331-0232
NSN 6240-01-175-3877
NSN 5920-01-283-2611