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 6135-01-025-8109
NSN 5855-01-380-9950
NSN 6685-01-415-5603
NSN 6650-00-061-2232
NSN 5945-00-721-1504
NSN 5950-00-198-4201
NSN 5915-01-486-7631
NSN 6220-00-466-2681
NSN 6135-01-613-4246
NSN 6130-01-099-2931
NSN 6105-01-350-9691
NSN 5895-01-506-9868