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 5985-00-845-9804
NSN 6650-00-736-8456
NSN 4140-01-092-6758
NSN 5950-00-467-7384
NSN 6105-01-496-0373
NSN 6105-01-630-3508
NSN 5920-01-386-9228
NSN 6145-00-519-1338
NSN 6135-00-284-1406
NSN 5960-01-412-0619
NSN 6220-01-464-8928
NSN 6645-00-954-4065