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 5925-00-159-9581
NSN 5960-01-495-0859
NSN 2925-00-555-4578
NSN 6130-00-255-5566
NSN 6320-00-004-9158
NSN 5855-01-611-8933
NSN 6135-00-708-0892
NSN 6645-00-536-1524
NSN 6240-01-197-0489
NSN 5999-01-323-7113
NSN 5855-00-361-0167
NSN 5945-00-067-6406