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 5998-01-540-7636
NSN 5935-01-024-3529
NSN 5998-00-105-7374
NSN 5915-00-577-1501
NSN 5935-01-501-6487
NSN 6685-01-542-5069
NSN 6110-00-035-4840
NSN 5835-01-412-0344
NSN 5895-01-244-4397
NSN 6105-01-519-0855
NSN 5910-00-146-3633
NSN 2925-00-432-3410