Model: 5231-350

Safety Relief Valve

Special Features:

Orifice diameter 0.250; end connections: 3/8 mpt and 3/8 flare

Properties:

Thread Direction

Right-hand 2nd end

Thread Direction

Right-hand 1st end

Flow Control Device

Piston

Disk Loading Method

Spring

End Application

New construction lpd21

Connection Style

G46a plain (tube) 1st end

Connection Style

G43 external seat for gasket seal (boss) 2nd end

Valve Operation Method

Automatic

Connection Type

Threaded external pipe all ends

Thread Size

0.375 inches all ends

Seat Angle

45.0 degrees 1st end

Opening Pressure Setting

350.0 pounds per square inch

Part Name Assigned By Controlling Agency

Pressure relief valve

Material

Copper alloy body

Thread Series Designator

Nptf 1st end

Thread Series Designator

Nptf 2nd end

NSN

4820-01-585-1113

Part Number

5231-350

Description

Valve,safety Relief

CAGE

28193

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.

Part 5231-350 NSN 4820-01-585-1113

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

05488

FIIG:

A046B0

Concept No.:

App. Key:

Cond. Code:

Status:

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators

HMIC

PMIC

ESD/EMI

ENAC

MMAC

CRITL

HMIC:

PMIC:

ESD:

MMAC:

CRITL:

Packaging & Shipping

Est. Pack Size

Est. Pack Weight

Est. Item Weight

Est. Item Dim.

Pack Size:

Paclk Weight:

Item Weight:

Item Dim:

OPI

SPI No.

SPI Rev.

SPC Mkg.

LVL A

LVL B

OPI:

SPI No.:

SPI Rev.:

SPC Mkg:

LVL_A:

LVL_B:

Freight Classification

NMFC

UFC

LTL

LCL

WCC

TCC

SHC

ACC

NMFC:

127220

UFC:

64490

LTL:

77.5

LCL:

WCC:

594

TCC:

SHC:

ACC:

Trailers/Vehicles

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Schedule B and Export

Schedule B: 8481400000
SITC: 74740
End Use: Industrial machines, other
NAICS: 332911
USDA: 1

Freight Class: Safety or relief valves