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 6645-01-444-3016
NSN 6645-01-447-0020
NSN 5950-01-245-4695
NSN 2925-01-254-8925
NSN 5999-01-659-4697
NSN 6320-01-304-3639
NSN 5910-01-440-9558
NSN 6130-01-396-2163
NSN 5996-00-240-0010
NSN 5999-01-436-5228
NSN 6645-01-418-1657
NSN 6105-01-417-4470