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 5985-01-348-8760
NSN 6685-00-497-9580
NSN 5855-00-477-9943
NSN 2925-00-982-0409
NSN 6150-00-133-2552
NSN 4140-00-945-4055
NSN 6620-01-053-6650
NSN 5895-01-352-5695
NSN 6130-00-468-1656
NSN 6240-00-899-6990
NSN 5915-01-463-8413
NSN 5950-01-539-5378