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 4140-01-442-8862
NSN 5975-01-650-4996
NSN 5945-01-097-4760
NSN 6135-00-100-0485
NSN 7035-00-104-7613
NSN 5930-00-212-1116
NSN 5905-00-881-1680
NSN 5950-00-389-3760
NSN 5945-01-437-8905
NSN 5950-01-447-8136
NSN 6240-01-534-4007
NSN 5895-01-658-9561