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 5996-01-421-4761
NSN 6135-01-508-6083
NSN 6610-01-571-8038
NSN 5895-01-276-8161
NSN 5996-01-257-0265
NSN 5905-01-121-1508
NSN 5945-01-401-5323
NSN 5998-01-410-8504
NSN 6610-01-158-7311
NSN 5895-01-336-7477
NSN 5925-01-272-2984
NSN 5975-01-521-3635