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 5998-01-268-8615
NSN 5950-00-138-8686
NSN 5990-01-548-5979
NSN 5920-01-247-5299
NSN 6685-00-806-2593
NSN 7035-01-534-7930
NSN 5920-00-556-9993
NSN 5985-01-368-7750
NSN 5996-01-023-0537
NSN 6145-01-147-4968
NSN 4140-01-217-6290
NSN 5985-01-458-9149