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 5920-00-526-9238
NSN 5975-00-963-7947
NSN 6650-01-024-9554
NSN 5925-01-157-9548
NSN 6150-01-442-8047
NSN 5910-01-130-9483
NSN 6150-01-178-3535
NSN 5935-01-630-5556
NSN 5835-01-330-6791
NSN 5960-01-106-3086
NSN 5990-01-256-8441
NSN 6240-01-160-7934