NSN 4820-00-405-1691 Repair Services
Fluid Pressure Regulating Valve Overhaul, Repair, and Maintenance
MPN: 655A
Pricing and Lead Time Quote
Submit this form and receive an overhaul/repair pricing and lead time quote for NSN 4820-00-405-1691 fluid pressure regulating valveFAA 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 4820-00-405-1691 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 4820-00-405-1691 can be offered in repaired, serviceable, overhauled, or inspected conditions.| National Stock Number (NSN) | 4820-00-405-1691 |
| Categorization | Regulator valves, self-operating, for controlling variables such as temperature, pressure, flow and liquid level |
| Repairability Code | |
| Approximate Weight | 0.0lb |
| Body Material | Iron, cast, astm a126-61t, class b |
| First End Flange Outside Diameter | 6.500 inches |
| Body Style | Straight thru |
| Stem Material | Steel, corrosion resisting |
| Media For Which Designed | Steam and water, oil or gas |
| First End Connection Type | Raised face flange |
| First End Style Designator | Raised |
| First End Raised Face Height | 0.062 inches |
| First End Raised Face Diameter | 4.188 inches |
| First End Flange Shape Style | Round w/ bolt holes |
| First End Flange Thickness | 0.813 inches |
| First End Bolt Hole Quantity | 4 |
| First End Bolt Hole Diameter | 0.750 inches |
| First End Bolt Circle Diameter | 5.000 inches |
| Second End Relationship With First End | Identical |
| Seat Material | Steel, federal standard 66, aisi 316/sae 30316 |
| Face To Face Distance | 10.500 inches |
| Packing Material | Plastic, tetrafluoroethylene |
| Flow Control Device | Disk, plug type |
| Flow Control Device Material | Steel, corrosion resisting |
| End Connection Quantity | 2 |
| Renewable Seat Ring Type | Threaded |
| Regulation Type | Automatic single stage |
| Valve Stem Design | Double seat |
| Valve Loading Method | Spring |
| Remote Actuation Method | Diaphragm |
| Maximum Inlet Pressure Rating | 250.0 pounds per square inch |
| Outlet Pressure Setting | 135.0 pounds per square inch |
| Filter | Not included |
Part Numbers
| Part Number | Company | RNAAC (Repair Depot) |
|---|---|---|
| 655A | FISHER CONTROLS CO INC | 90 - TENNESSEE VALLEY AUTHORITY |