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 6650-00-246-3751
NSN 5999-01-565-3567
NSN 6135-01-142-6456
NSN 4140-01-421-6945
NSN 5930-00-009-6836
NSN 6130-01-241-2265
NSN 2925-01-110-1467
NSN 5855-01-236-9645
NSN 5985-00-760-6311
NSN 6105-01-577-5310
NSN 5835-00-060-8436
NSN 4140-01-472-2768