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 5930-00-726-3591
NSN 5835-00-228-9082
NSN 4140-01-552-1885
NSN 5905-01-111-2761
NSN 6220-01-569-5940
NSN 5950-01-327-4359
NSN 5975-01-270-5563
NSN 5950-00-826-7449
NSN 7035-01-013-9889
NSN 5998-01-612-6774
NSN 5975-00-629-8310
NSN 6145-01-543-8176