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 6145-01-348-3779
NSN 6135-01-486-7973
NSN 5910-01-466-8624
NSN 5915-00-822-9605
NSN 6145-01-519-8210
NSN 5960-01-567-1096
NSN 7035-01-391-9858
NSN 5905-01-599-4634
NSN 5925-00-050-0414
NSN 6110-00-188-9874
NSN 6130-01-424-0360
NSN 5920-00-438-4973