Od is 4.875 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 5950-00-034-6657
NSN 6150-00-526-3720
NSN 7035-01-463-9855
NSN 6685-01-572-6754
NSN 5915-00-407-7997
NSN 5905-01-237-1406
NSN 5998-01-013-9293
NSN 5905-01-105-4432
NSN 6620-00-025-1889
NSN 6685-01-485-3110
NSN 6150-01-304-2550
NSN 5945-01-370-4784