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 5950-01-387-6624
NSN 6320-01-411-7469
NSN 5930-00-892-1668
NSN 6645-01-326-7316
NSN 6240-01-245-8996
NSN 5945-01-188-7224
NSN 5855-01-225-5855
NSN 6145-01-483-1905
NSN 6105-00-900-3784
NSN 5895-00-826-9004
NSN 5996-01-208-5045
NSN 5895-01-055-7677