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 6105-01-542-7944
NSN 5910-01-347-9156
NSN 6110-01-455-1269
NSN 6105-01-344-4705
NSN 6685-01-392-1513
NSN 5855-01-330-3669
NSN 5925-00-603-8077
NSN 5855-01-073-7255
NSN 6685-00-562-2047
NSN 6610-01-608-5285
NSN 6240-01-369-9039
NSN 6110-00-973-0416