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 2925-01-504-3058
NSN 5930-01-520-3897
NSN 6145-01-182-9200
NSN 5910-00-223-9826
NSN 4140-00-237-5797
NSN 5935-00-559-0118
NSN 5920-01-501-1361
NSN 5925-01-508-4690
NSN 5905-00-782-4572
NSN 4140-01-435-2637
NSN 5930-01-173-1541
NSN 5910-00-808-5950