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 6650-00-071-3102
NSN 6320-01-624-0193
NSN 2925-01-328-4394
NSN 6135-01-440-9412
NSN 6150-00-436-7929
NSN 6150-00-518-4558
NSN 5855-01-631-4331
NSN 5855-00-014-5008
NSN 5985-00-885-7023
NSN 6110-01-032-9172
NSN 5915-01-222-0879
NSN 5950-00-492-6224