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 4140-00-185-2993
NSN 7035-01-145-5059
NSN 6135-01-398-5922
NSN 6110-01-069-2966
NSN 6645-01-246-2725
NSN 6240-00-008-5263
NSN 6110-01-359-6618
NSN 6650-01-303-7964
NSN 5920-01-231-2406
NSN 5855-01-440-9880
NSN 5915-01-323-5383
NSN 5905-01-437-8009