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 4140-01-633-0377
NSN 5960-01-367-0981
NSN 5975-00-269-8391
NSN 5998-01-590-9968
NSN 6150-01-241-8783
NSN 6110-00-399-1413
NSN 6610-00-782-0761
NSN 5910-00-952-4221
NSN 5960-00-877-8016
NSN 7035-01-202-8172
NSN 5920-01-415-2878
NSN 5960-01-599-9821