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 6240-01-600-1092
NSN 6105-01-433-7990
NSN 5910-01-556-8008
NSN 6650-01-179-3823
NSN 5996-01-362-2441
NSN 6220-01-346-8162
NSN 6130-00-229-1620
NSN 5985-01-553-1537
NSN 6620-01-118-7588
NSN 5975-01-600-9996
NSN 6130-01-447-8758
NSN 6135-01-626-6325