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 5990-01-550-7827
NSN 6320-00-977-3930
NSN 6110-01-064-5076
NSN 5950-01-364-1139
NSN 5990-00-424-8872
NSN 5895-00-648-0382
NSN 5975-01-413-1547
NSN 5835-01-166-7420
NSN 5996-00-925-1953
NSN 7035-00-470-4977
NSN 5910-01-651-0346
NSN 6645-00-795-5565