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 5985-00-422-2070
NSN 6150-01-303-5852
NSN 5975-01-578-3188
NSN 6145-00-683-5353
NSN 5930-01-447-3671
NSN 7035-01-408-8698
NSN 5930-01-250-5001
NSN 6620-01-401-5356
NSN 5996-01-348-1591
NSN 5935-01-290-3851
NSN 5925-00-877-2862
NSN 6130-01-104-0370