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 5965-01-068-2714
NSN 5910-00-705-0988
NSN 5835-01-441-4746
NSN 6220-01-295-0626
NSN 5998-01-502-4998
NSN 5905-01-615-0786
NSN 5990-00-934-3145
NSN 6610-01-398-8092
NSN 5920-01-061-4608
NSN 6110-00-663-4054
NSN 5990-00-061-9041
NSN 7035-01-205-1478