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 7035-01-169-6551
NSN 6135-01-435-6503
NSN 5855-00-466-2309
NSN 5915-01-257-9632
NSN 6110-01-106-4440
NSN 5915-01-462-2026
NSN 5915-00-222-6031
NSN 5998-01-273-0124
NSN 5950-01-371-7013
NSN 5905-01-630-7701
NSN 5950-01-350-3702
NSN 6620-01-512-8146