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Features:
  • Can be applied or removed by hand, hex wrench or screwdriver
  • Optional O-ring gives this part a water tight seal for superior leakage protection
  • The BL4A and the BL4B are in black
BL Series - UNF Standard Threaded Plugs (O - Ring Optional)
BL Series -UNF Standard Threaded Plugs (O-Ring Optional) - 2
Unit of Measure
Items BL Series - UNF Standard Threaded Plugs (O - Ring Optional)
BL3A
BL Series - UNF Standard Threaded Plugs (O - Ring Optional)
BL Series - UNF Standard Threaded Plugs (O - Ring Optional)
BL3L
BL Series - UNF Standard Threaded Plugs (O - Ring Optional)
BL Series - UNF Standard Threaded Plugs (O - Ring Optional)
BL4A
BL Series - UNF Standard Threaded Plugs (O - Ring Optional)
BL Series - UNF Standard Threaded Plugs (O - Ring Optional)
BL4B
BL Series - UNF Standard Threaded Plugs (O - Ring Optional)
BL Series - UNF Standard Threaded Plugs (O - Ring Optional)
BL5A
BL Series - UNF Standard Threaded Plugs (O - Ring Optional)
Color N/A Yellow
Added Feature N/A N/A With-O-Ring N/A N/A With-O-Ring N/A
To Plug Standard Thread Size N/A 7/16"-20 N/A 7/16"-20 N/A 1/2"-13 N/A 1/2"-13 N/A 9/16"-18
Dimension A N/A 0.430 in10.920 mm N/A 0.430 in10.920 mm N/A 0.500 in12.700 mm N/A 0.500 in12.700 mm N/A 0.500 in12.700 mm
Dimension B N/A 0.620 in15.750 mm N/A 0.620 in15.750 mm N/A 0.687 in17.460 mm N/A 0.687 in17.460 mm N/A 0.75 in19.05 mm
Dimension C N/A 0.180 in4.570 mm N/A 0.180 in4.570 mm N/A 0.281 in7.140 mm N/A 0.281 in7.140 mm N/A 0.180 in4.570 mm
Dimension D N/A 0.390 in09.910 mm N/A 0.390 in09.910 mm N/A 0.41 in10.41 mm N/A 0.41 in10.41 mm N/A 0.420 in10.670 mm
Material N/A Polypropylene