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 6145-00-052-5410
NSN 6110-01-178-0814
NSN 6610-00-320-4162
NSN 6135-00-900-2139
NSN 5960-00-132-5964
NSN 5999-01-107-2660
NSN 6135-01-617-9935
NSN 6620-01-550-8573
NSN 2925-00-969-4262
NSN 5895-01-046-6660
NSN 5985-00-148-8233
NSN 6110-01-625-4070