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 5855-01-057-2200
NSN 5915-00-538-2768
NSN 6645-01-529-5690
NSN 5975-01-610-1091
NSN 6650-00-816-6525
NSN 6650-01-364-8504
NSN 5905-00-064-4564
NSN 6645-00-739-6718
NSN 6105-00-279-3044
NSN 5920-01-181-5248
NSN 6220-01-577-3662
NSN 4140-00-939-8605