Secure Ordering: +1 (757) 528-8028
Parts Catalog » Hardware » Contact Us » Quote »
NationalStockNumber.info
NationalStockNumber.INFO

Worldwide distributor of NSN parts and consumables located in the USA.

Safety Relief Valve

Model / MPN: 513991-1 | NSN: 4820-00-494-8106
ITAR Registered seal

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.

Product Details
NATO Stock Number
4820-00-494-8106
Sold in multiples of
1 EA
DEMIL
NO
Thread Class
3b 1st end
Thread Direction
Right-hand 1st end
Flow Control Device
Poppet
Bonnet Type
Inside spring
Bonnet Attachment Method
Integral
Disk Loading Method
Spring
Renewable Seat Ring Type
Pressed-in
Maximum Operating Temp
225.0 degrees fahrenheit single response
Connection Style
G4 gasket sea (boss) 1st end
Connection Style
Gasket sea (boss) 1st end
Valve Operation Method
Automatic
Connection Type
Threaded internal boss 1st end
Thready Qty Per Inch (tpi)
16 1st end
Adjustable Pressure Range
+800.0/+1500.0 pounds per square inch
Maximum Operating Pressure
1500.0 pounds per square inch single response
Thread Size
0.750 inches 1st end
Opening Pressure Setting
1000.0 pounds per square inch
Outside Diameter Tube Accommodated
0.500 inches 1st end
Material
Plastic polyurethane seat
Material
Steel comp 303 body
Material
Steel comp 303 flow control device and steel comp 416 flow control device
Surface Treatment
Passivate
Style Designator
Angle
Thread Series Designator
Unjf 1st end
513991 Series Parts

Pricing and Availability

Send us a request for quote using the form below. Our team will contact you with an up to date pricing and availability quote ASAP.

Qty:
Email Address:
Phone Number:
Your name:
Company:
Privacy    Terms

Certified Quality Assurance  Quality check icon

  •   ISO 9001:2015 + AS9120B
  •   Counterfeit Parts Prevention
  •   100% Product Inspections
  •   7 Year Record Retention
  •   On Time Delivery
  •   HAZMAT Certified
  •   Worldwide Shipping
513991-1 Cross Reference