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 5960-00-281-0824
NSN 5985-01-467-1792
NSN 5985-00-774-0317
NSN 6150-01-225-4094
NSN 5910-01-422-1699
NSN 6150-01-513-5732
NSN 6130-01-415-2870
NSN 6110-01-513-9907
NSN 6645-00-192-1152
NSN 5930-01-136-8915
NSN 5990-00-964-6422
NSN 5996-00-345-8025