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 5905-00-250-0667
NSN 5945-00-678-0862
NSN 5990-01-147-5225
NSN 6240-01-126-9167
NSN 6145-01-334-5336
NSN 5990-01-348-9843
NSN 4140-00-470-4707
NSN 6645-00-313-2324
NSN 5998-00-242-6477
NSN 6105-00-259-1692
NSN 6135-00-635-9187
NSN 5960-01-589-6846