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 5990-01-656-7047
NSN 5975-01-094-6943
NSN 6685-00-520-1930
NSN 5920-01-219-6297
NSN 6110-00-202-1021
NSN 5996-01-343-4959
NSN 5950-01-155-3787
NSN 5990-01-141-3025
NSN 6110-01-461-3612
NSN 6135-01-487-6275
NSN 5990-00-132-2680
NSN 7035-00-553-6951