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 6220-01-310-8741
NSN 6240-01-475-9503
NSN 5965-01-560-6491
NSN 4140-01-474-5524
NSN 5950-00-350-2825
NSN 2925-01-421-9665
NSN 6645-01-558-6229
NSN 5925-00-456-0651
NSN 7035-01-100-2796
NSN 6240-01-263-0123
NSN 5895-00-452-0333
NSN 6105-00-910-0989