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 6645-00-429-0172
NSN 6685-01-191-0881
NSN 5990-01-612-5323
NSN 4140-01-300-5636
NSN 5990-00-985-1334
NSN 5960-01-425-1454
NSN 5910-01-472-3798
NSN 5998-01-459-5243
NSN 7035-01-302-5359
NSN 6320-01-481-7322
NSN 6650-01-420-5586
NSN 5895-01-406-3482