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 6110-00-583-9821
NSN 6610-01-359-9962
NSN 5996-01-221-4095
NSN 5910-01-415-5023
NSN 5965-01-484-9818
NSN 7035-01-295-1609
NSN 6145-01-375-5244
NSN 6220-01-067-5264
NSN 5998-00-059-6412
NSN 5990-00-091-7110
NSN 5855-00-245-8461
NSN 6610-01-070-9411