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 2925-01-417-6815
NSN 2925-01-534-7018
NSN 5925-01-218-6427
NSN 5960-01-552-8601
NSN 6145-00-800-0126
NSN 5975-00-144-7878
NSN 6105-01-272-8061
NSN 6685-01-095-5554
NSN 5895-01-061-5064
NSN 5985-01-434-4075
NSN 7035-00-275-5604
NSN 6110-01-420-2549