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 6685-01-139-2740
NSN 4140-00-643-3744
NSN 5855-01-222-1242
NSN 5996-01-319-4568
NSN 6320-00-564-2772
NSN 5935-01-039-3341
NSN 5965-00-275-0491
NSN 5915-01-272-4104
NSN 5945-00-657-7232
NSN 5835-01-332-2867
NSN 5990-00-295-0968
NSN 5990-01-322-9781