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 5996-01-104-4161
NSN 5945-01-474-2280
NSN 5965-00-539-7778
NSN 2925-01-534-7314
NSN 6620-00-102-7442
NSN 6135-01-151-2705
NSN 6240-00-435-0433
NSN 6135-01-424-8130
NSN 5905-00-579-5393
NSN 5935-00-267-1658
NSN 2925-01-386-7392
NSN 5945-00-679-9554