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Safety Relief Valve

Model / MPN: 283683-3 | NSN: 4820-01-090-6416
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
4820-01-090-6416
Sold in multiples of
1 EA
DEMIL
NO
Thread Class
3a 1st end
Thread Direction
Right-hand 1st end
Flow Control Device
Poppet
Disk Loading Method
Spring
Valve Discharge Flow Rate
100.0 liters per minute
Maximum Operating Temp
165.0 degrees fahrenheit single response
Connection Style
G50 external seat for gasket seal (boss) 1st end
Valve Operation Method
Automatic
Connection Type
Threaded external boss 1st end
Maximum Operating Pressure
140.0 pounds per square inch single response
Thread Size
0.437 inches 1st end
Criticality Code Justification
Feat
Opening Pressure Setting
120.0 pounds per square inch
Material
Aluminum body
Material
Stainless steel flow control device
Media For Which Designed
Oxygen, gaseous single response
Style Designator
C3 angle
Thread Series Designator
Unf 1st end
283683 Series Parts
Solicitations
Solicitation Description Qty UOM Close Date
SPE7MC16Q0743 Valve, Safety Relief 61 EA 06/23/2016
SPE7MC17Q0079 Valve, Safety Relief 45 EA 11/08/2016
SPE7MC18Q0198 Valve, Safety Relief 79 EA 02/20/2018
SPE7MC19Q0246 Valve, Safety Relief 69 EA 02/12/2019
SPE7MC19Q0612 Valve, Safety Relief 75 EA 08/30/2019
SPE7MC20Q0287 Valve, Safety Relief 75 EA 02/13/2020

Pricing and Availability

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283683-3 Cross Reference
  • 3178AS100
  • 102B332-1
  • Z02RV04-4
  • 275B100-1
  • 283683-3
  • Z02RV04-4
  • 3178AS100-1
  • 283683-3
  • 221B332-1
  • EW63004
  • 524A-4D-130
  • P103-673