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 5985-01-170-5090
NSN 4140-01-606-6149
NSN 5930-01-047-1114
NSN 7035-01-137-3642
NSN 5945-01-359-5262
NSN 5996-01-583-6995
NSN 5960-01-614-8005
NSN 5996-01-413-5037
NSN 5985-01-571-2992
NSN 5945-01-575-5003
NSN 5998-00-295-3694
NSN 6620-01-650-1808