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 2925-01-200-8757
NSN 6220-01-370-4034
NSN 4140-01-232-8998
NSN 6145-01-231-1397
NSN 5935-01-644-6526
NSN 6135-00-913-2062
NSN 6135-01-391-8539
NSN 6110-00-363-3974
NSN 5950-01-421-1788
NSN 5965-01-469-7401
NSN 5960-01-564-5044
NSN 4140-00-320-1482