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 5990-01-107-1003
NSN 5835-00-612-1621
NSN 5910-01-534-7699
NSN 5975-01-531-2062
NSN 5925-01-378-6857
NSN 5910-01-456-5232
NSN 6145-01-106-1252
NSN 4140-00-143-9084
NSN 6110-01-415-4046
NSN 5998-00-671-1242
NSN 5999-00-740-8259
NSN 5855-01-288-6341