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 6105-01-500-0891
NSN 5960-00-321-7824
NSN 6110-01-361-8949
NSN 5895-01-449-1839
NSN 6645-01-576-6733
NSN 6685-00-476-8316
NSN 5835-01-368-1013
NSN 6220-01-134-1005
NSN 6220-00-866-1346
NSN 5920-00-391-6252
NSN 5935-01-605-1801
NSN 5965-01-645-7776