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 5935-01-568-5780
NSN 5835-00-393-1996
NSN 6220-01-215-6273
NSN 2925-01-359-4027
NSN 5996-00-293-4687
NSN 6320-01-388-1067
NSN 5925-01-361-8836
NSN 5950-01-656-1137
NSN 6135-00-165-3756
NSN 5835-01-186-4961
NSN 6645-00-079-1430
NSN 5998-01-054-2470