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 5990-00-478-6518
NSN 6130-00-482-1257
NSN 5945-01-033-7947
NSN 6610-00-473-0548
NSN 5960-00-161-3728
NSN 6320-01-366-5157
NSN 5935-01-200-5183
NSN 6135-01-286-9563
NSN 5975-00-724-8501
NSN 6145-01-381-3804
NSN 5999-00-826-9039
NSN 5895-01-284-0256