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 6320-01-462-3555
NSN 4140-00-733-7936
NSN 4140-00-529-7463
NSN 5855-00-629-5343
NSN 6135-01-255-9129
NSN 2925-01-364-7926
NSN 5975-01-560-3212
NSN 6320-00-389-4756
NSN 5910-01-228-9752
NSN 6620-00-905-6590
NSN 2925-01-058-1718
NSN 5930-01-142-2571