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 5915-01-106-3944
NSN 5945-01-177-9653
NSN 5905-01-273-5450
NSN 5990-00-716-3756
NSN 5999-01-409-2834
NSN 5990-01-088-5293
NSN 6610-00-040-4124
NSN 4140-00-707-5963
NSN 5920-01-608-6321
NSN 6320-01-652-3806
NSN 5925-01-196-2083
NSN 6135-01-108-6057