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 5920-01-143-2212
NSN 5920-01-157-9471
NSN 5915-01-565-8955
NSN 6220-00-205-2040
NSN 5915-01-612-7644
NSN 6650-01-432-1830
NSN 5975-01-230-1496
NSN 5855-00-896-4047
NSN 6645-01-076-4655
NSN 7035-01-388-6943
NSN 6320-00-994-0179
NSN 5998-01-224-7569