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.
NSN 5925-00-848-9073
NSN 5930-00-911-9005
NSN 6220-01-424-7986
NSN 5990-00-855-9451
NSN 6145-01-208-6482
NSN 5915-01-247-3558
NSN 6620-00-155-2608
NSN 5996-00-222-6049
NSN 6620-01-431-9176
NSN 5910-00-240-3001
NSN 7035-01-537-4334
NSN 5915-00-992-4687