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 5910-00-764-3918
NSN 5905-01-377-3554
NSN 6685-01-394-5861
NSN 2925-00-566-4522
NSN 6620-01-420-3386
NSN 6220-01-296-6100
NSN 5960-01-582-6167
NSN 5950-00-549-4313
NSN 6135-01-483-5269
NSN 5996-01-124-0781
NSN 5905-00-061-8602
NSN 5920-01-484-4168