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 5895-01-139-5923
NSN 5910-00-563-2432
NSN 2925-01-560-4123
NSN 4140-00-260-9521
NSN 5920-00-891-2771
NSN 5950-00-249-7360
NSN 5945-01-426-8747
NSN 5990-01-425-2175
NSN 5998-01-096-0919
NSN 5945-01-008-8236
NSN 5965-01-213-0338
NSN 6620-01-058-6308