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 7035-00-946-2642
NSN 6240-01-551-9723
NSN 6240-01-548-2197
NSN 7035-01-183-1989
NSN 5965-00-035-4556
NSN 5925-01-581-2950
NSN 4140-01-524-8106
NSN 5915-00-891-8158
NSN 5960-00-848-1900
NSN 6240-01-247-9843
NSN 6320-01-441-2438
NSN 5996-01-559-3488