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 5925-00-417-3761
NSN 5905-01-037-2295
NSN 6220-00-758-2378
NSN 6135-00-505-0679
NSN 6145-00-487-9575
NSN 6150-00-986-4063
NSN 2925-00-120-9302
NSN 5975-00-889-7291
NSN 5925-00-813-2474
NSN 5835-01-173-1578
NSN 5945-01-126-2471
NSN 5975-01-497-3192