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 6620-01-172-6960
NSN 5935-01-492-5902
NSN 5990-00-888-7761
NSN 5930-01-437-0094
NSN 6650-01-048-6757
NSN 6145-01-112-0397
NSN 2925-00-019-9649
NSN 5998-01-423-8820
NSN 6650-00-227-8743
NSN 5905-01-322-3913
NSN 4140-01-210-8049
NSN 6685-01-476-6989