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 5945-00-508-5918
NSN 5990-01-512-9129
NSN 6145-01-026-0030
NSN 6645-01-492-2808
NSN 5895-01-310-1535
NSN 5945-01-422-3233
NSN 5950-01-276-8869
NSN 6645-01-485-4521
NSN 5998-01-394-4756
NSN 6645-00-613-2378
NSN 6145-01-232-7484
NSN 6650-01-602-7567