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 5925-01-523-4838
NSN 5910-01-288-0142
NSN 6685-01-221-4605
NSN 5990-00-924-4167
NSN 6650-01-275-3112
NSN 5998-00-554-7243
NSN 6645-01-154-3080
NSN 5950-01-286-4186
NSN 6320-01-021-6633
NSN 6240-00-212-4305
NSN 5950-01-139-2133
NSN 5945-00-345-7759