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 5915-00-372-2402
NSN 5975-01-311-9021
NSN 5965-00-884-2344
NSN 5990-01-607-9433
NSN 5990-00-042-3413
NSN 6135-01-607-5478
NSN 5975-00-285-0907
NSN 6150-01-471-5982
NSN 5950-01-634-0055
NSN 5915-01-474-4210
NSN 6610-01-307-6363
NSN 2925-01-460-1601