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 5990-01-487-0871
NSN 5965-01-477-1030
NSN 5925-00-973-1160
NSN 6620-01-296-7380
NSN 5945-01-510-2793
NSN 5925-01-386-3178
NSN 5920-01-158-4517
NSN 5990-01-120-1910
NSN 6650-01-515-0391
NSN 6240-00-991-0091
NSN 5960-01-212-8118
NSN 5950-01-086-6497