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 6650-00-932-2048
NSN 5945-01-621-1720
NSN 5915-00-409-5066
NSN 5985-01-648-5124
NSN 5895-00-946-2186
NSN 6145-01-451-3200
NSN 6220-01-043-6168
NSN 6610-01-585-9255
NSN 5975-01-574-6746
NSN 4140-01-214-6380
NSN 6110-00-202-2990
NSN 5925-01-339-1443