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 5905-01-408-4572
NSN 6220-00-660-5539
NSN 6145-01-083-9193
NSN 6610-00-531-3231
NSN 6220-01-063-7287
NSN 6610-01-241-3334
NSN 6685-01-024-9508
NSN 6220-01-261-2488
NSN 6150-01-283-2399
NSN 2925-00-201-8247
NSN 6240-01-104-4494
NSN 5985-01-512-0773