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 5930-00-137-4198
NSN 5996-01-100-7982
NSN 5975-01-578-9517
NSN 5905-01-398-5511
NSN 5945-01-606-5907
NSN 5935-00-078-4256
NSN 4140-01-068-3500
NSN 4140-00-142-2491
NSN 5999-01-604-3346
NSN 5905-01-490-6907
NSN 4140-00-249-5603
NSN 6150-01-162-7539