Model: 418-3/8 IN

Check Valve

Properties:

Thread Direction

Right-hand all ends

Flow Control Device

Disk

Maximum Operating Temp

550.0 degrees fahrenheit single response

Connection Style

Plain, optional end (pipe) all ends

Valve Operation Method

Automatic

Connection Type

Threaded internal pipe all ends

Mounting Position

Vertical

Maximum Operating Pressure

2000.0 pounds per square inch 1st response

Maximum Operating Pressure

4000.0 pounds per square inch 2nd response

Thread Size

0.375 inches all ends

Material

Copper alloy

Media For Which Designed

Steam 1st response

Media For Which Designed

Water-oil-gas 2nd response

Style Designator

Straight thru

Thread Series Designator

Npt all ends

NSN

4820-01-275-5385

Part Number

418-3/8 IN

Description

Valve,check

CAGE

37239

A valve permitting flow in one direction only. It does not have a stem, except when equipped with a lever and weight and has no pressure adjustment. It may be inline or cartridge (manifold) design.

Part 418-3/8 IN NSN 4820-01-275-5385

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

05487

FIIG:

A530B0

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:

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Schedule B and Export

Schedule B: 8481301090
SITC: 74730
End Use: Industrial machines, other
NAICS: 332911
USDA: 1

Freight Class: Check valves of copper having a pressure rating of 850 kpa or over