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 5960-01-627-6547
NSN 7035-01-088-6415
NSN 5835-00-170-5238
NSN 5905-00-594-8102
NSN 6610-01-065-1073
NSN 5950-01-175-4880
NSN 5945-01-567-2521
NSN 6320-01-125-3361
NSN 6320-01-592-6248
NSN 5855-01-421-7691
NSN 4140-00-456-2268
NSN 6240-00-681-2795