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 5920-01-395-3727
NSN 5925-01-436-9833
NSN 5920-01-090-4363
NSN 2925-01-648-6859
NSN 6645-01-415-6093
NSN 6135-00-763-5793
NSN 7035-01-049-6776
NSN 5835-01-495-0595
NSN 6145-01-350-3532
NSN 6135-01-142-2417
NSN 5920-00-805-7132
NSN 5920-01-589-2844