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 4140-01-422-2226
NSN 5910-00-479-8315
NSN 5920-01-246-5678
NSN 6105-01-631-1509
NSN 6220-00-552-0667
NSN 5990-00-419-7584
NSN 5835-00-477-3162
NSN 6240-01-109-0362
NSN 5999-01-163-3056
NSN 5915-01-510-3867
NSN 6240-01-303-9399
NSN 6135-01-594-9930