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 6130-00-621-7997
NSN 4140-00-541-1938
NSN 6130-00-947-2339
NSN 6145-01-634-0388
NSN 5925-01-619-7736
NSN 5835-00-198-4936
NSN 6650-00-144-4555
NSN 5975-00-054-5287
NSN 6220-01-634-0660
NSN 5925-01-434-8856
NSN 4140-01-054-3553
NSN 6685-01-233-6264