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
NSN 5960-01-515-4791
NSN 5996-01-239-6809
NSN 5999-00-959-7144
NSN 5950-00-181-9285
NSN 5975-01-158-7483
NSN 5930-01-378-6633
NSN 5935-00-759-0986
NSN 5910-01-242-6994
NSN 5975-01-517-6642
NSN 5905-00-143-0943
NSN 6105-00-413-2558