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 2925-01-379-0903
NSN 4140-01-067-8986
NSN 5945-01-468-8413
NSN 5920-01-453-0637
NSN 5965-00-815-2525
NSN 5998-01-019-0281
NSN 6645-01-435-4073
NSN 5985-00-922-1272
NSN 6620-00-900-3986
NSN 7035-01-312-8573
NSN 6135-00-087-5300
NSN 6145-01-330-3387