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 5945-00-067-6712
NSN 6320-01-600-5808
NSN 6645-00-624-5963
NSN 6110-01-561-3497
NSN 5930-00-146-0092
NSN 6220-00-140-3551
NSN 5935-00-232-5553
NSN 6150-00-891-7922
NSN 6110-00-359-5571
NSN 6610-01-032-2890
NSN 6320-01-438-6280
NSN 5910-01-606-1437