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 5990-01-258-0512
NSN 5998-01-581-7289
NSN 6130-00-851-2767
NSN 5905-00-196-6702
NSN 6150-01-345-3260
NSN 5960-01-375-1905
NSN 6610-00-774-8691
NSN 2925-01-198-7528
NSN 5985-01-298-9374
NSN 6135-00-866-2311
NSN 6645-01-609-0332
NSN 5990-00-108-5400