NSN 4820-00-171-9819 Repair Services

Fluid Pressure Regulating Valve Overhaul, Repair, and Maintenance

MPN: 45R1TYPED, MILR19180, ESS4-40-540, SR450B-540, 0781-5154

Pricing and Lead Time Quote

Submit this form and receive an overhaul/repair pricing and lead time quote for NSN 4820-00-171-9819 fluid pressure regulating valve
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NSN 4820001719819


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AS9120B:2015 ISO 9001 Audited and Certified

FAA and EASA Part 145 Certified Repair Stations Ensuring the highest standards of quality and compliance for our clients' needs.

We specialize in the repair and refurbishment of nsn components. From mechanical assemblies to rotor blades, our comprehensive capabilities cover a wide range of NSN parts, providing cost effective solutions to extend the operational life of vital equipment.

NSN 4820-00-171-9819 has been designated as a repairable item and has been included in our capabilities catalog. If you require overhaul or repair services use the form on this page to send us your information. We will provide you with a lead time and price quote.

Repairability and Datasheet

NSN 4820-00-171-9819 can be offered in repaired, serviceable, overhauled, or inspected conditions.
National Stock Number (NSN) 4820-00-171-9819
Categorization Regulator valves, self-operating, for controlling variables such as temperature, pressure, flow and liquid level
Repairability Code

Approximate Weight 0.6lb
Body Material Brass
Body Style Straight thru
Furnished Items Cylinder gage and delivery gage
Media For Which Designed Oxygen, gaseous
First End Connection Type Threaded external tube
First End Style Designator Inverted flare
First End Outside Diameter Tube Accommodated 0.375 inches
First End Thread Size And Series/type Designator 9/16-18 unf
First End Thread Class 2a
First End Thread Direction Right-hand
Second End Relationship With First End Not identical
Second End Connection Type Threaded internal gas cylinder
Second End Style Designator Swivel nut, gas
Second End Thread Size And Series/type Designator 0.908-14 ngo
Second End Thread Direction Right-hand
First End Seat Angle In Deg 30.0
Second End Seat Radius 0.281 inches
Flow Control Device Stem and integral disk
Flow Control Device Material Steel, corrosion resisting
End Connection Quantity 2
Second End Thread Pitch Diameters +0.8616 to 0.8652 inches
Outlet Pressure Range +0.0 to 40.0 pounds per square inch
Regulation Type Manual single stage
Manual Control Method Tee handle
Valve Loading Method Spring
Maximum Inlet Pressure Rating 2000.0 pounds per square inch
Outlet Pressure Accuracy Rating 5.000 pounds per square inch
Filter Included
Unable To Decode Unable to decode and unable to decode
Unable To Decode Unable to decode and unable to decode
Nondefinitive Specification/std Data 1 type and ow1 class

Part Numbers

Part Number Company RNAAC (Repair Depot)
45R1TYPED DEPARTMENT OF THE NAVY AX - DLA LAND AND MARITIME
MILR19180 MILITARY SPECIFICATIONS AX - DLA LAND AND MARITIME
45R1TYPED DEPARTMENT OF THE NAVY AX - DLA LAND AND MARITIME
MILR19180 MILITARY SPECIFICATIONS AX - DLA LAND AND MARITIME
45R1TYPED DEPARTMENT OF THE NAVY AX - DLA LAND AND MARITIME
MILR19180 MILITARY SPECIFICATIONS AX - DLA LAND AND MARITIME
45R1TYPED DEPARTMENT OF THE NAVY AX - DLA LAND AND MARITIME
MILR19180 MILITARY SPECIFICATIONS AX - DLA LAND AND MARITIME
45R1TYPED DEPARTMENT OF THE NAVY AX - DLA LAND AND MARITIME
MILR19180 MILITARY SPECIFICATIONS AX - DLA LAND AND MARITIME
45R1TYPED DEPARTMENT OF THE NAVY AX - DLA LAND AND MARITIME
MILR19180 MILITARY SPECIFICATIONS AX - DLA LAND AND MARITIME
ESS4-40-540 VICTOR EQUIPMENT CO ZZ - USA
SR450B-540 VICTOR EQUIPMENT CO ZZ - USA
ESS4-40-540 VICTOR EQUIPMENT CO ZZ - USA
0781-5154 VICTOR EQUIPMENT CO ZZ - USA
SR450B-540 VICTOR EQUIPMENT CO ZZ - USA
0781-5154 VICTOR EQUIPMENT CO ZZ - USA
ESS4-40-540 VICTOR EQUIPMENT CO ZZ - USA
SR450B-540 VICTOR EQUIPMENT CO ZZ - USA
0781-5154 VICTOR EQUIPMENT CO ZZ - USA
ESS4-40-540 VICTOR EQUIPMENT CO ZZ - USA
SR450B-540 VICTOR EQUIPMENT CO ZZ - USA
0781-5154 VICTOR EQUIPMENT CO ZZ - USA
ESS4-40-540 VICTOR EQUIPMENT CO ZZ - USA
SR450B-540 VICTOR EQUIPMENT CO ZZ - USA
0781-5154 VICTOR EQUIPMENT CO ZZ - USA
ESS4-40-540 VICTOR EQUIPMENT CO ZZ - USA
SR450B-540 VICTOR EQUIPMENT CO ZZ - USA