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 6620-01-116-2632
NSN 5930-01-409-1846
NSN 6110-01-349-0437
NSN 6320-01-457-2805
NSN 5985-00-709-9256
NSN 6240-00-501-7964
NSN 5985-00-553-3510
NSN 7035-01-151-0265
NSN 4140-01-277-2548
NSN 5950-00-947-9769
NSN 6620-01-512-2016
NSN 6650-01-415-3332