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 5915-00-853-2481
NSN 5915-01-080-2734
NSN 6105-00-060-9150
NSN 5996-00-011-5651
NSN 5855-00-879-5849
NSN 7035-01-432-2424
NSN 5975-01-029-4176
NSN 5855-00-247-7219
NSN 6320-01-216-1678
NSN 5910-00-132-5402
NSN 5920-01-123-9358
NSN 5965-00-007-7863