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 6610-01-633-8931
NSN 6110-00-255-2025
NSN 6320-01-459-6992
NSN 5905-00-932-2721
NSN 4140-00-456-0902
NSN 6150-01-430-1947
NSN 5835-01-399-5820
NSN 5960-00-965-5577
NSN 6610-01-519-3080
NSN 6135-01-385-7276
NSN 6685-01-461-8873
NSN 6150-01-265-1142