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 6320-01-456-2859
NSN 5930-00-080-5801
NSN 5910-00-520-9527
NSN 5920-01-097-5447
NSN 2925-01-265-2853
NSN 5999-00-216-7431
NSN 6240-01-050-9156
NSN 5985-00-553-7103
NSN 6240-00-903-4660
NSN 5920-01-322-6539
NSN 5925-01-059-0275
NSN 6145-00-734-4554