Od is 0.375 in
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 5905-00-146-2375
NSN 6650-01-429-6692
NSN 5965-00-170-5254
NSN 5985-00-128-2929
NSN 6110-00-827-0086
NSN 5996-00-433-8371
NSN 5950-01-227-1913
NSN 5990-01-184-6830
NSN 5960-00-830-5483
NSN 5985-01-513-9930
NSN 5999-00-199-8159
NSN 5990-01-199-4832