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 4140-01-592-3042
NSN 5975-01-024-0678
NSN 5935-01-540-4189
NSN 5935-01-403-2844
NSN 5925-00-925-1707
NSN 5990-01-365-6016
NSN 5920-00-780-9109
NSN 6110-01-241-2301
NSN 6135-01-486-1443
NSN 6135-01-632-2740
NSN 6105-01-423-1417
NSN 6105-01-011-0697