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 5935-01-425-6133
NSN 4140-00-213-9937
NSN 5915-01-261-5650
NSN 6110-01-465-5831
NSN 5905-00-244-2506
NSN 4140-01-120-1622
NSN 5990-01-362-7532
NSN 5925-01-513-4475
NSN 2925-01-590-8691
NSN 5945-01-504-1974
NSN 6610-00-514-7773
NSN 5996-01-147-6054