Milton (S-684-4) 1/4" MNPT Male Tank Valve
1/4" MNPT tank valves are designed for use in filling vessels with air. Standard valve core with plastic cap measures at 1 1...

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Milton (S-684-4) 1/4" MNPT Male Tank Valve
1/4" MNPT tank valves are designed for use in filling vessels with air. Standard valve core with plastic cap measures at 1 1/2" overall length. Maximum pressure of 200 PSI. Cap thread size of .305-32.
Other recommended tank valve size: Milton #S-684 (?" male NPT, 1" overall length w/cap) tank valve.


  • Prevents Air from Leaking: This handy tank valve helps prevent the loss of air when filling vessels with an air compressor
  • Dimensions: Overall length including the plastic cap is 1.5”. The cap thread size is .305-32
  • Maximum Air Pressure of 200 PSI: To ensure safe use of this tank valve, it is recommended that the air pressure be kept at a maximum of 200 PSI
  • NPT: This tank valve has a 1/4" male national pipe thread
  • #1 Source for Quality Air Accessories: Since 1943, Milton has been providing quality accessories to the Automotive, Industrial, Hardware, Agriculture, Heavy-Duty Fleet and MRO markets
  • Milton is your number 1 source for Quality Air Accessories
  • Since 1943 Milton has been producing Quality Air Accessories
  • Milton covers automotive, industrial, hardware, agriculture, heavy-duty fleet and MRO markets
  • Prevents Air from Leaking: This handy tank valve helps prevent the loss of air when filling vessels with an air compressor
  • Dimensions: Overall length including the plastic cap is 1.5”. The cap thread size is .305-32
  • Maximum Air Pressure of 200 PSI: To ensure safe use of this tank valve, it is recommended that the air pressure be kept at a maximum of 200 PSI
  • NPT: This tank valve has a 1/4" male national pipe thread
  • #1 Source for Quality Air Accessories: Since 1943, Milton has been providing quality accessories to the Automotive, Industrial, Hardware, Agriculture, Heavy-Duty Fleet and MRO markets
  • Milton is your number 1 source for Quality Air Accessories
  • Since 1943 Milton has been producing Quality Air Accessories
  • Milton covers automotive, industrial, hardware, agriculture, heavy-duty fleet and MRO markets

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