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 5920-01-223-3734
NSN 6145-01-197-8206
NSN 5998-00-136-0667
NSN 4140-01-339-0090
NSN 6145-01-439-3239
NSN 6150-01-283-5614
NSN 6645-01-461-1542
NSN 5905-01-558-9332
NSN 2925-01-512-4682
NSN 2925-00-899-0018
NSN 4140-00-965-7580
NSN 5910-01-491-4287