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 2925-00-328-2018
NSN 5965-01-146-1311
NSN 5905-00-384-0449
NSN 5925-01-178-7547
NSN 4140-01-607-8707
NSN 5920-01-312-3934
NSN 5996-01-081-8002
NSN 5960-00-677-7444
NSN 5925-01-297-1933
NSN 5975-00-976-2917
NSN 5945-01-335-8233
NSN 2925-01-354-1752