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 4140-01-475-4270
NSN 6145-00-171-3152
NSN 5945-00-975-4986
NSN 6620-01-050-2866
NSN 5999-00-879-8474
NSN 5835-01-013-9321
NSN 5996-01-159-5392
NSN 5960-00-617-9312
NSN 6685-01-598-7340
NSN 7035-00-562-9881
NSN 5990-01-476-9956
NSN 6135-01-601-8657