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 5945-01-328-9158
NSN 5835-01-485-0210
NSN 6150-00-906-0806
NSN 6650-01-199-8589
NSN 6105-01-141-7727
NSN 4140-01-493-9948
NSN 5975-00-525-2331
NSN 5996-01-429-9280
NSN 5999-01-536-4832
NSN 6620-00-054-4778
NSN 5905-01-648-4383
NSN 5998-01-479-2449