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 5990-01-478-8638
NSN 5990-00-402-7721
NSN 5965-01-504-8199
NSN 5985-00-080-8648
NSN 5985-00-173-6317
NSN 5930-00-725-8306
NSN 6320-01-029-4220
NSN 5935-00-231-3603
NSN 5975-01-336-7171
NSN 5950-01-281-8476
NSN 6645-01-357-7750
NSN 6240-01-654-9278