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 6240-01-437-4936
NSN 6145-00-754-8119
NSN 5945-00-089-9130
NSN 5945-00-543-3231
NSN 5965-01-181-5706
NSN 5920-01-392-3588
NSN 5855-01-257-5338
NSN 7035-01-482-6048
NSN 6145-00-596-8447
NSN 5855-01-092-7755
NSN 5965-00-702-7257
NSN 6135-01-658-7467