4820-00-273-9431
Find complete technical information, availability, and procurement data for: 4820-00-273-9431
DODParts.com distributes related products varnishes dopes paints, aircraft parts and consumables, electrical parts, fittings and other components for the aerospace and defense industries. Submit the short price quote form for NSN 4820-00-273-9431 to receive an up to date pricing and availability quote by email.
A valve designed to automatically release excessive pressures. It is actuated by static pressure upstream of the valve and is used as a safety valve or relief valve, and may be set to close at a predetermined pressure. It is not designed for regulation of continuously fluctuating loads. It may be inline or cartridge (manifold) design. Excludes:valve (1), relief, pressure and temperature.
spring disk loading method, inside spring bonnet type, threaded renewable seat ring type, disk flow control device, union bonnet attachment method
Product Characteristics
Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.
- Flow Control Device
- disk
- Bonnet Type
- inside spring
- Bonnet Attachment Method
- union
- Disk Loading Method
- spring
- Renewable Seat Ring Type
- threaded
- Bolt Hole Quantity
- 4 all ends
- Maximum Operating Temp
- 650.0 fahrenheit single response
- Valve Operation Method
- automatic
- Flange Shape
- round with holes all ends
- Connection Type
- flange all ends
- Features Provided
- pressure tight outlet side
- Valve Size
- 1.250 inches
- Adjustable Pressure Range
- +51.0 to 70.0 pounds per square inch
- Maximum Operating Pressure
- 200.0 pounds per square inch single response
- Nominal Outside Diameter
- 4.500 inches all ends
- Nominal Thickness
- 0.438 inches all ends
- First Connection Face To Centerline Distance
- 4.250 inches
- Bolt Hole Nominal Diameter
- 0.562 inches all ends
- Second Connection Face To Centerline Distance
- 5.000 inches
- Bolt Circle Nominal Diameter
- 3.375 inches all ends
- Flange Face Design
- plain all ends
- Material
- steel body
- Material
- steel corrosion resisting seat
- Material
- steel corrosion resisting stem
- Material
- steel flow control device
- Material Document And Classification
- mil-s-867,class3 mil spec single material response flow control device
- Media For Which Designed
- steam 1st response
- Media For Which Designed
- water-oil-gas 2nd response
- Style Designator
- angle flanged ends
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 |
|---|---|
| 1-1/4IN LL3110B | Safety Relief Valve |
| NMP405 | Safety Relief Valve |
FAQs
Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.
What is the FSCG of the NSN 4820-00-273-9431?
Does the NSN 4820-00-273-9431 have a Schedule B code assigned?
Does NSN 4820-00-273-9431 require demilitarization?
Does NSN 4820-00-273-9431 contain precious materials?
Does NSN 4820-00-273-9431 contain hazardous materials?
When the NSN 4820-00-273-9431 was assigned to the Federal Catalog?
Professional Distribution
Certified to meet the strict requirements of defense, aerospace, and hazardous materials distribution.
- ITAR Registered
- DDTC Registered
- HAZMAT Certified
- AS9120 Quality Standards
- 100% Quality Inspections
You May Also Like
Browse other in-demand NSN parts sourced by professionals in defense, aerospace, and manufacturing sectors. Each component meets strict standards for quality and performance.
Pricing
Submit your request below and our team will respond quickly with up-to-date pricing, delivery estimates, and stock information:
