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 6145-01-429-2140
NSN 6145-01-391-7763
NSN 5905-00-272-9259
NSN 5835-01-522-9881
NSN 7035-00-679-9027
NSN 6320-01-441-2438
NSN 5999-00-993-6449
NSN 5975-01-354-7550
NSN 4140-01-386-4838
NSN 5965-00-762-0630
NSN 5835-00-924-4268
NSN 5975-00-132-0989