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 6240-01-193-1470
NSN 4140-00-277-1531
NSN 5925-00-484-3138
NSN 6610-01-302-6347
NSN 5999-00-378-0039
NSN 5965-00-217-2476
NSN 5998-01-391-5339
NSN 2925-01-556-0333
NSN 5915-01-485-6504
NSN 5930-00-510-7647
NSN 5990-01-421-3325
NSN 5996-01-543-3543