RGI Inc  manufactures custom valves to customer specifications.
We have been manufacturing 
MS28889-2 air charging valves since 1977 to MIL-PRF-6164 SPEC We make many custom valves  and modified versions of MS28889-2 and M6164-2 to suit your needs.
RGI manufactures hydraulic and pneumatic products for the military and aerospace industries. 
RGI INC CAGE 59375
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For more than 45 years we have been providing  quality products to the Military and aerospace industries. We provide a complete state of the art  manufacturing and test facility to manufacture, assemble and test our products. 
​MS28889-2 High Pressure Air Charging Valve
MS28889    MIL-V-6164   Strut Charging Valve
M6164-2    M6164  MIL-PRF-6164 
M6164-5    
AN6287-1
Modified Air Charging Valves
​Pump PN 10863692
​Accumulator Valves and Strut Valves
​Please see our products page
Design and Engineering
MS28889-2  and  M6164-2
MIL-PRF-6164
Since 1977 RGI Inc. has been manufacturing Valves, Pumps, Manifolds and other Hydraulic and Pneumatic products for the United States Department of Defense and other companies that include Lockheed, Boeing, Honeywell, BAE and many others for Military and Aerospace Industries.  
RGI Inc.
27 Union Valley Road
Newfoundland NJ 07435
Ph. 973-697-2624
Fax 973-697-0550
CAGE 59375
​     MS28889-2  and  M6164-2  Air Charging Valve
​ Accumulator Valves High Pressure        NSN 4820-00-535-6483
    Manufactured to MS28889 and  MIL-PRF-6164