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 6150-01-585-7539
NSN 6145-00-466-4068
NSN 5990-00-362-1453
NSN 5910-00-005-7314
NSN 5835-01-436-6549
NSN 6610-00-478-2815
NSN 5915-01-472-3620
NSN 6610-00-181-6363
NSN 6220-01-378-7467
NSN 5855-01-565-1405
NSN 5930-01-623-2925
NSN 5895-01-132-6667