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 4140-01-648-9873
NSN 6620-01-365-1499
NSN 5915-00-119-7331
NSN 5920-01-230-8806
NSN 6610-00-782-0761
NSN 2925-00-233-5644
NSN 5945-00-763-9996
NSN 5895-01-100-1820
NSN 5935-01-011-4897
NSN 6650-00-491-7920
NSN 5950-01-106-4671
NSN 5945-01-626-6363