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 6620-01-633-8443
NSN 5996-01-145-6557
NSN 5905-00-821-6483
NSN 5935-00-115-8760
NSN 6320-01-172-6103
NSN 5910-00-099-9998
NSN 5990-01-541-5632
NSN 5930-00-726-2067
NSN 6220-01-328-2665
NSN 5895-00-125-4587
NSN 6145-01-357-1804
NSN 6130-01-543-0864