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 5945-01-522-9306
NSN 4140-00-856-8115
NSN 6685-00-677-3925
NSN 6220-00-915-9871
NSN 6145-01-614-2002
NSN
NSN 5960-01-512-0233
NSN 5905-01-226-1938
NSN 6650-00-834-9062
NSN 5985-01-032-4930
NSN 5996-01-441-1594
NSN 2925-01-314-5833