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 6220-00-919-5231
NSN 6320-01-113-7647
NSN 6240-00-201-1200
NSN 5910-00-607-9890
NSN 5855-01-519-2486
NSN 6105-01-032-2856
NSN 5998-00-931-5009
NSN 6220-01-212-0891
NSN 6135-01-163-0332
NSN 5925-01-560-9372
NSN 5905-01-129-8091
NSN 5915-01-472-2089