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 5960-00-932-3067
NSN 5915-01-120-7908
NSN 6650-00-995-5741
NSN 5990-01-112-2374
NSN 5835-00-905-7165
NSN 6135-01-393-4746
NSN 6685-01-317-3782
NSN 6320-01-162-5977
NSN 6110-00-796-4534
NSN 5990-01-650-9034
NSN 6105-00-179-9863
NSN 4140-01-181-4485