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 5985-00-212-7690
NSN 6620-01-117-7303
NSN 5920-01-536-4689
NSN 5855-01-134-7106
NSN 6650-01-537-0443
NSN 6135-00-309-0074
NSN 6145-01-145-5177
NSN 7035-01-320-2536
NSN 5999-01-605-7127
NSN 5915-00-636-9785
NSN 5910-01-576-3209
NSN 6145-00-267-5309