As differentiated by material which must conform to ships parts control center special quality control provisions and certified free from mercury contamination zzzy
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 5855-01-532-7513
NSN 6150-01-494-0237
NSN 5996-00-852-8329
NSN 5990-00-905-6472
NSN 5935-01-408-7597
NSN 5835-00-602-4750
NSN 5920-00-506-8377
NSN 4140-00-857-9970
NSN 6150-01-100-2341
NSN 5895-00-752-6171
NSN 6220-01-580-1030
NSN 6105-00-108-1648