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 5905-01-350-5637
NSN 4140-01-648-2249
NSN 5985-00-088-8562
NSN 6610-00-987-0680
NSN 5910-01-209-4092
NSN 6620-01-072-1034
NSN 4140-01-152-6600
NSN 6620-01-609-6259
NSN 6150-01-584-5684
NSN 6135-01-589-0333
NSN 5965-01-292-0035
NSN 5990-01-030-4062