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 5910-01-141-8556
NSN 5990-00-232-3965
NSN 5960-00-594-0824
NSN 6685-01-565-1801
NSN 6645-00-241-3280
NSN 5990-00-719-4947
NSN 5895-01-579-2766
NSN 5950-01-464-5303
NSN 5930-01-494-3586
NSN 6320-01-170-4068
NSN 6650-00-269-5000
NSN 5920-00-629-0442