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 4140-01-255-3993
NSN 6620-01-440-9810
NSN 6150-01-461-3549
NSN 5915-01-093-4198
NSN 7035-01-265-2301
NSN 5915-01-106-7902
NSN 5935-01-140-5606
NSN 5915-01-025-0868
NSN 5985-00-575-0509
NSN 7035-01-003-9142
NSN 6650-01-168-8451
NSN 5905-00-015-0135