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 5960-00-222-7772
NSN 5985-01-419-6178
NSN 5855-01-444-1233
NSN 6105-01-143-5774
NSN 5985-01-239-9732
NSN 6320-00-500-4172
NSN 6320-01-162-5977
NSN 5920-01-383-0300
NSN 5925-01-494-5867
NSN 4140-01-434-6292
NSN 5975-00-316-2539
NSN 4140-01-492-2515