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 6685-01-611-3893
NSN 6240-01-424-3636
NSN 5930-01-054-2643
NSN 6685-00-434-4502
NSN 5935-01-037-8532
NSN 6130-00-692-2916
NSN 5920-00-276-8657
NSN 5915-01-322-6245
NSN 6130-01-145-4421
NSN 5950-01-621-9714
NSN 6220-01-646-6342
NSN 5835-01-652-0168