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 4140-00-611-8020
NSN 6320-01-084-8821
NSN 6150-00-707-3269
NSN 5998-00-058-1544
NSN 7035-01-158-8860
NSN 2925-00-115-5857
NSN 6240-01-633-9357
NSN 5985-01-339-4441
NSN 5990-01-485-0260
NSN 6610-00-527-8892
NSN 6135-00-269-5843
NSN 6145-01-125-3306