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 5905-01-393-4720
NSN 5999-01-110-0673
NSN 6685-00-347-0472
NSN 6105-01-214-3445
NSN 6645-01-633-1852
NSN 6130-00-930-2453
NSN 5905-01-449-6805
NSN 5985-01-060-1516
NSN 6135-00-078-9931
NSN 6685-00-057-2777
NSN 5895-01-453-8613
NSN 6105-00-542-7948