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 5915-01-451-7535
NSN 2925-01-539-4486
NSN 5930-01-446-4432
NSN 2925-00-159-9003
NSN 5950-01-072-8949
NSN 5999-01-418-8503
NSN 6145-00-038-3369
NSN 6620-00-646-9474
NSN 5990-00-050-1673
NSN 6135-01-187-4382
NSN 6145-00-465-1641
NSN 6145-01-225-6650