Od is 4.500 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 5905-01-355-2411
NSN 5950-01-130-2577
NSN 5996-00-917-6899
NSN 6610-00-734-3604
NSN 6150-00-944-8327
NSN 5925-01-437-8542
NSN 6150-00-112-2458
NSN 5999-01-139-3720
NSN 5945-00-080-5299
NSN 5999-01-450-9336
NSN 6645-00-425-6199
NSN 6320-00-583-3104