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 5996-01-128-9761
NSN 5920-00-987-1605
NSN 5996-01-065-0939
NSN 6150-01-263-1526
NSN 5905-00-325-6119
NSN 6320-00-216-8779
NSN 5998-00-106-6916
NSN 5985-01-642-5980
NSN 6240-01-386-0848
NSN 6220-00-402-2406
NSN 4140-01-555-8190
NSN 5920-00-491-6687