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Safety Relief Valve

Model / MPN: 20249-4-817 | NSN: 4820-01-022-8593
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
4820-01-022-8593
Sold in multiples of
1 EA
DEMIL
NO
Thread Class
2b all ends
Thread Direction
Right-hand all ends
Flow Control Device
Disk
Disk Loading Method
Spring
End Application
Forrestal class cv
Connection Style
G4 gasket sea (boss) all ends
Valve Operation Method
Automatic
Connection Type
Threaded internal boss all ends
Thready Qty Per Inch (tpi)
12 all ends
Adjustable Pressure Range
+2000.0/+3000.0 pounds per square inch
Thread Size
1.062 inches all ends
Material
Nickel alloy 400
Material Specification
Astm b164-61, class a assn standard single material response
Thread Series Designator
Un all ends
Solicitations
Solicitation Description Qty UOM Close Date
SPE7MC15TA309 Valve, Safety Relief 7 EA 05/18/2015
SPE7MC17T8214 Valve, Safety Relief 5 EA 02/02/2017
SPE7MC17TC153 Valve, Safety Relief 12 EA 03/13/2017
SPE7MC18T3603 Valve, Safety Relief 7 EA 12/21/2017
SPE7MC19T4136 Valve, Safety Relief 4 EA 01/14/2019
SPE7MC19T8518 Valve, Safety Relief 5 EA 04/22/2019
SPE7MC20T1443 Valve, Safety Relief 7 EA 11/25/2019
SPE7MC20T2569 Valve, Safety Relief 5 EA 12/12/2019
SPE7MC20T3136 Valve, Safety Relief 2 EA 12/26/2019
SPE7MC20T5733 Valve, Safety Relief 11 EA 03/09/2020

Pricing and Availability

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20249-4-817 Cross Reference
  • 817-3-4IN2000T3
  • 20249
  • 20249-4-817-2500
  • 817-3-4IN2000T3000PSI
  • D45MS-01-3/4-3/4
  • W112181
  • 20249-4-87
  • W112181
  • D45MS-01 3/4
  • 20249-4-817-2500
  • 20249
  • 817-3-4IN2000T3000PSI
  • 20249-4-87