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 5985-00-719-5080
NSN 6240-01-455-1749
NSN 5990-01-354-8965
NSN 5950-01-139-3908
NSN 6610-01-558-1815
NSN 5920-01-408-5881
NSN 6220-01-616-6772
NSN 6320-01-029-2196
NSN 5960-00-258-9292
NSN 6135-01-026-9960
NSN 5915-01-196-9426
NSN 6650-01-495-8031