Simlar to din 3770
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 5965-00-549-0220
NSN 5990-01-363-5728
NSN 6105-01-005-2867
NSN 5915-01-411-9954
NSN 6130-00-931-9567
NSN 6150-01-469-5924
NSN 6645-01-496-9868
NSN 5835-01-487-3042
NSN 5835-01-036-4951
NSN 6130-01-442-7244
NSN 6620-00-557-0374
NSN 5935-00-078-1743