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

Safety Relief Valve

Model / MPN: 1385 1 1/4 X 1 | NSN: 4820-01-449-8468
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
4820-01-449-8468
Sold in multiples of
1 EA
DEMIL
DEMIL/MLI
Flow Control Device
Disk
Disk Loading Method
Spring
Bolt Hole Quantity
4 all ends
Valve Operation Method
Automatic
Flange Shape
Round with holes all ends
Connection Type
Flange all ends
Valve Size
1.500 inches
Adjustable Pressure Range
+45.0/+70.0 pounds per square inch
Outside Diameter
1.250 inches 2nd end
Outside Diameter
1.500 inches 1st end
Thickness
0.406 inches 2nd end
Thickness
0.438 inches 1st end
Bolt Hole Diameter
0.625 inches all ends
Bolt Circle Diameter
3.500 inches 2nd end
Bolt Circle Diameter
3.875 inches 1st end
Flange Face Design
Plain all ends
Material
Copper alloy body
Material
Nickel alloy seat
Material
Nickel alloy stem
Material
Nickel alloy flow control device
Material
Rubber packing
Solicitations
Solicitation Description Qty UOM Close Date
SPE7MC16T0193 Valve, Safety Relief 1 EA 10/15/2015
SPE7MC16T2163 Valve, Safety Relief 7 EA 11/09/2015
SPE7MC18T7091 Valve, Safety Relief 7 EA 03/15/2018
SPE7MC19T6898 Valve, Safety Relief 7 EA 03/18/2019
SPE7MC20T1174 Valve, Safety Relief 7 EA 11/04/2019
SPE7MC21T9751 Valve, Safety Relief 7 EA 03/22/2021
SPE7MC21T8964 Valve, Safety Relief 4 EA 03/08/2021

Pricing and Availability

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1385 1 1/4 X 1 Cross Reference
  • YB2385FG685
  • 1385 11/4X11/2IN 45TO70PSI
  • 3457 11/4X11/2IN 45TO70PSI
  • 2385FG685