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 4140-01-158-4139
NSN 6135-01-100-9056
NSN 4140-01-432-4027
NSN 5999-00-042-4998
NSN 5855-00-494-9581
NSN 6150-01-462-4896
NSN 7035-01-564-1821
NSN 5925-00-300-5176
NSN 5915-01-056-7411
NSN 5835-01-133-6485
NSN 6145-01-170-3797
NSN 5990-01-414-7618