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 6110-00-288-4179
NSN 7035-00-408-8170
NSN 6220-01-113-2447
NSN 6650-01-269-3845
NSN 5950-01-063-4089
NSN 6110-00-811-0364
NSN 5950-00-586-4636
NSN 7035-00-703-3535
NSN 6150-01-330-2784
NSN 2925-00-147-8150
NSN 6320-01-414-9801
NSN 5920-01-519-2712