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 5950-01-192-8831
NSN 5895-01-226-9308
NSN 5975-00-045-1715
NSN 6685-01-470-3700
NSN 5925-00-846-5436
NSN 6240-01-022-7602
NSN 5996-01-264-8374
NSN 6135-00-613-1068
NSN 5998-01-271-1412
NSN 5960-01-437-7422
NSN 6130-00-086-2908
NSN 5925-01-150-8127