E420ALT6
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A valve designed to automatically maintain within close limits a predetermined outlet pressure which may be adjustable within a specified range regardless of the higher fluctuating or constant inlet pressure. It is designed for use with compressed gas(es) and various liquids and may include gauges. It may be inline or cartridge (manifold) design. Excludes:regulator, pressure, medical gas administration apparatus; regulator, oxygen, barometric continuous flow; regulator, oxygen demand; regulator, oxygen diluter demand; and valve(1), fluid pressure regulating, aircraft.
water, fresh and water, salt media for which designed, union nut and tailpiece furnished items, unable to decode stem material, straight thru body style, unthreaded internal tube first end connection type
Product Characteristics
Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.
- Body Style
- straight thru
- Stem Material
- unable to decode
- Furnished Items
- union nut and tailpiece
- Media For Which Designed
- water, fresh and water, salt
- First End Connection Type
- unthreaded internal tube
- First End Style Designator
- socket w/brazing ring
- First End Outside Diameter Tube Accommodated
- 1.000 inches nominal
- Second End Relationship With First End
- identical
- Flow Control Device
- diaphragm
- Flow Control Device Material
- unable to decode
- End Connection Quantity
- 2
- Renewable Seat Ring Type
- threaded
- Outlet Pressure Range
- +25.0 to 60.0 pounds per square inch
- Regulation Type
- automatic double stage
- Valve Stem Design
- single seat
- Valve Loading Method
- spring
- Maximum Inlet Pressure Rating
- 150.0 pounds per square inch
- Filter
- not included
- Temp Rating
- 165.0 fahrenheit maximum
- Special Features
- ends w/o brazing rings installed
- Material
- unable to decode
- Special Test Features
- high-impact shock tests are required as directed in paragraphs 3.6 and 4.4.2.3 of mil-v-2042 in pac test above
- Test Data Document
- "81349-milv2042 specification (includes engineering type bulletins, brochures,etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "nominal", etc.)."
- Nondefinitive Spec/Std Data
- 2 type
Related Parts
This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:
| Part Number | Name |
|---|---|
| 30806262 | Fluid Pressure Regulating Valve |
| 30806262REVF | Fluid Pressure Regulating Valve |
| 40399-01 1IN 25 | Fluid Pressure Regulating Valve |
| 40399-906 | Fluid Pressure Regulating Valve |
| ASTM F1370 2EU1B | Fluid Pressure Regulating Valve |
| E420ALT6 | Fluid Pressure Regulating Valve |
| MILV2042 | Fluid Pressure Regulating Valve |
| N551 | Fluid Pressure Regulating Valve |
FAQs
Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.
What is the FSCG of the NSN 4820-00-181-8911?
Does the NSN 4820-00-181-8911 have a Schedule B code assigned?
Does NSN 4820-00-181-8911 require demilitarization?
Does NSN 4820-00-181-8911 contain precious materials?
Does NSN 4820-00-181-8911 contain hazardous materials?
When the NSN 4820-00-181-8911 was assigned to the Federal Catalog?
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