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 5975-01-189-8540
NSN 2925-00-134-4827
NSN 5998-01-328-6560
NSN 6110-01-050-8119
NSN 4140-00-085-1355
NSN 6320-00-284-1524
NSN 6650-01-197-0587
NSN 5855-01-573-8397
NSN 6105-00-790-0371
NSN 5990-01-225-9820
NSN 5990-01-408-6554
NSN 6220-01-444-3395