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 5920-01-056-9427
NSN 6620-00-770-0989
NSN 5855-00-446-5921
NSN 5930-00-139-2004
NSN 6145-01-613-3598
NSN 7035-01-536-3458
NSN 5998-00-822-8741
NSN 5920-00-366-0111
NSN 5975-00-541-8531
NSN 7035-01-462-5766
NSN 5990-01-061-5618
NSN 5855-01-600-4130