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 4140-01-077-7555
NSN 6240-01-021-9280
NSN 5930-01-315-3234
NSN 5950-01-523-8402
NSN 5895-01-467-9643
NSN 5915-01-188-4682
NSN 2925-01-228-6554
NSN 6105-00-104-6853
NSN 5910-01-585-7774
NSN 6620-01-463-1373
NSN 6110-00-071-2783
NSN 5985-00-422-5337