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 5930-01-146-5546
NSN 5996-00-803-6475
NSN 2925-01-364-7926
NSN 6685-00-394-6355
NSN 6110-01-652-9767
NSN 5945-01-035-7488
NSN 5895-00-707-2217
NSN 5998-00-249-0516
NSN 6685-01-462-0141
NSN 5905-01-527-3835
NSN 7035-01-325-7658
NSN 5990-01-392-8842