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 5975-01-367-8700
NSN 6320-01-425-1417
NSN 6130-01-110-1048
NSN 5855-00-135-9064
NSN 6110-00-207-8862
NSN 5965-00-756-0457
NSN 5975-01-655-2610
NSN 5965-00-129-9779
NSN 5920-01-082-2761
NSN 6145-01-505-0059
NSN 5855-01-064-8961
NSN 5965-01-511-3633