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 5950-01-396-4705
NSN 5930-00-581-0339
NSN 5905-01-178-8201
NSN 5985-01-376-4303
NSN 7035-01-420-3238
NSN 5895-01-046-6660
NSN 5990-01-384-2697
NSN 6130-00-585-9448
NSN 5835-01-193-6192
NSN 5985-01-453-2073
NSN 7035-01-227-2546
NSN 5998-01-292-5292