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 6645-01-381-2050
NSN 5930-01-410-7759
NSN 6320-00-389-4756
NSN 5950-01-558-3118
NSN 2925-00-808-5077
NSN 5999-00-168-1888
NSN 2925-01-325-3974
NSN 4140-01-318-1197
NSN 6150-00-159-0813
NSN 5855-01-476-4219
NSN 6135-00-471-5356
NSN 5996-01-112-0154