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.
Classification: Gaskets, washers and other seals, of vulcanized rubber other than hard rubber
NSN 4140-01-234-6610
NSN 6135-01-440-9412
NSN 5975-01-266-0904
NSN 6320-00-402-6493
NSN 5905-00-584-8447
NSN 6610-01-345-1110
NSN 6240-00-633-1243
NSN 5835-01-073-6133
NSN 4140-00-495-8704
NSN 5945-01-613-0706
NSN 5930-01-050-3934
NSN 5920-01-134-1673