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 4140-01-388-9618
NSN 6320-01-612-7035
NSN 5855-00-198-3197
NSN 6320-00-116-3658
NSN 6150-00-009-6011
NSN 2925-01-254-3068
NSN 6130-01-197-0555
NSN 5835-01-342-2654
NSN 5950-01-191-5344
NSN 4140-01-324-4642
NSN 5996-01-106-7328
NSN 4140-00-893-2754