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 5910-00-175-9203
NSN 6620-01-568-3738
NSN 5895-01-273-5107
NSN 5965-00-983-1815
NSN 5990-00-064-4570
NSN 6620-00-526-8996
NSN 5996-01-197-7005
NSN 6145-01-415-9593
NSN 5915-01-373-6380
NSN 6240-00-181-2503
NSN 6110-01-363-4320
NSN 4140-01-486-2839