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 6610-01-570-6070
NSN 5975-01-519-8899
NSN 6610-00-238-1693
NSN 6650-01-386-6711
NSN 5960-01-495-0859
NSN 5990-00-870-0656
NSN 5950-01-216-9975
NSN 5950-01-272-5669
NSN 6240-00-372-4841
NSN 5915-00-421-0780
NSN 5945-01-030-2229
NSN 6130-00-643-2470