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 5975-01-078-1309
NSN 6240-01-328-4023
NSN 4140-00-992-6215
NSN 4140-01-514-8203
NSN 6135-01-444-6824
NSN 6645-01-206-4888
NSN 5910-01-066-5192
NSN 5998-01-134-7325
NSN 5920-01-648-1983
NSN 5835-01-286-3600
NSN 5920-01-570-8228
NSN 5998-00-459-7958