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 4140-01-201-4359
NSN 5990-01-105-5336
NSN 6145-01-330-6794
NSN 5945-01-388-8694
NSN 6685-01-023-0640
NSN 6110-01-361-8044
NSN 6620-00-726-8153
NSN 7035-01-419-4317
NSN 6145-01-142-2234
NSN 6220-00-514-4116
NSN 5950-01-461-8783
NSN 2925-01-576-6206