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 5930-01-492-6505
NSN 6320-01-325-3620
NSN 6145-01-226-5010
NSN 5905-00-826-6431
NSN 6620-01-051-2045
NSN 6240-01-655-1352
NSN 5905-01-542-2412
NSN 5925-01-569-4427
NSN 5998-01-324-1301
NSN 6105-01-254-9781
NSN 5950-01-065-0858
NSN 5999-01-456-2784