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 7035-01-653-2246
NSN 6645-00-585-5932
NSN 5925-00-383-5382
NSN 5925-00-206-3580
NSN 6645-01-023-8020
NSN 5945-01-440-9114
NSN 6110-00-857-4274
NSN 5930-01-155-5690
NSN 5925-00-913-6165
NSN 6105-00-484-9270
NSN 5999-01-381-1389
NSN 5960-01-128-4431