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 5990-01-035-6869
NSN 5945-01-098-8576
NSN 6135-00-299-6918
NSN 4140-00-825-7506
NSN 2925-01-448-2880
NSN 5996-01-213-5184
NSN 5930-01-081-6431
NSN 4140-01-180-5576
NSN 5960-00-231-3767
NSN 6105-00-296-0372
NSN 5835-00-946-2656
NSN 5920-00-454-4263