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 4140-00-435-0436
NSN 5920-01-549-1289
NSN 5935-00-496-7408
NSN 4140-01-487-6227
NSN 6240-01-569-0343
NSN 5965-00-970-6431
NSN 5985-01-617-7996
NSN 5985-01-500-4645
NSN 5960-01-472-9562
NSN 6620-00-860-5961
NSN 6685-01-041-4407
NSN 5905-01-025-0704