3.875 in. Od
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 5920-00-445-3585
NSN 5985-01-158-8902
NSN 5985-01-435-6642
NSN 5950-01-422-0467
NSN 5998-01-422-5325
NSN 5990-01-121-1175
NSN 5905-00-254-8086
NSN 5835-00-922-1263
NSN 6645-00-456-2923
NSN 5990-01-571-7468
NSN 6650-00-356-8405
NSN 5990-01-581-5103