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 5990-00-269-2226
NSN 6645-01-484-4158
NSN 6130-01-565-9602
NSN 4140-01-474-7950
NSN 7035-00-300-3208
NSN 6105-01-350-9691
NSN 5895-01-243-1076
NSN 6240-01-539-1989
NSN 5998-00-386-7051
NSN 6650-01-289-8598
NSN 6620-00-544-7641
NSN 6150-01-086-2461