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 6610-01-230-9971
NSN 5950-01-357-7451
NSN 5999-01-169-0214
NSN 5990-01-161-4625
NSN 5975-01-113-7397
NSN 5950-01-604-9435
NSN 4140-01-556-4113
NSN 6130-01-539-1724
NSN 5895-01-462-1811
NSN 5950-01-598-2854
NSN 5835-01-447-2544
NSN 5996-01-324-0709