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 5990-01-572-3137
NSN 6610-00-445-5695
NSN 5996-01-314-7443
NSN 5835-00-678-6981
NSN 6150-01-238-6995
NSN 4140-01-570-0429
NSN 6135-00-840-6451
NSN 5855-00-256-5562
NSN 5905-01-490-0985
NSN 5950-00-280-2560
NSN 5990-01-240-7288
NSN 6135-00-248-4102