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 6620-01-290-2973
NSN 6145-01-149-1981
NSN 6110-01-332-9027
NSN 5925-01-277-1980
NSN 5996-01-197-7005
NSN 5960-01-624-1170
NSN 5945-01-654-0484
NSN 5950-01-020-7717
NSN 5990-00-031-8598
NSN 5835-00-405-4560
NSN 5855-01-474-8904
NSN 5945-01-415-3654