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 5945-00-148-7714
NSN 6135-01-265-1384
NSN 6150-01-004-9632
NSN 5905-01-141-7647
NSN 6240-01-256-8132
NSN 7035-00-541-8516
NSN 5915-01-281-6559
NSN 5935-00-468-4401
NSN 4140-00-853-3889
NSN 6135-01-361-1776
NSN 6145-01-147-8598
NSN 6130-01-309-5020