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 5905-00-767-7420
NSN 5975-00-875-4082
NSN 5915-01-181-9742
NSN 6145-01-086-1795
NSN 5930-01-299-1785
NSN 5930-01-289-6066
NSN 6320-00-032-4853
NSN 5910-01-275-4910
NSN 6685-01-262-2124
NSN 5855-01-592-3128
NSN 5855-00-987-1171
NSN 6130-01-473-1805