Model: 40398-4 ASSY 40398-407

Fluid Pressure Regulating Valve

Special Features:

When ordering this valve you must specify the following items if you want to receive them with the valve: tool, seat ring, p/n 40398-4, find no. 30; and tailpieces, 40398-4, find no. 12, and union nuts, 40398-4, find no. 10

Properties:

Body Material

Copper alloy

Body Style

Straight thru

Stem Material

Nickel-copper alloy, qq-n-281, class b

Furnished Items

Brazing ring

Media For Which Designed

Water, salt

First End Connection Type

Unthreaded internal pipe

First End Style Designator

Socket w/brazing ring

First End Pipe Size Accommodated

0.750 inches

Second End Relationship With First End

Identical

Seat Material

Nickel copper alloy

Flow Control Device

Disk

Flow Control Device Material

Rubber, buna-n

End Connection Quantity

Renewable Seat Ring Type

Threaded

Outlet Pressure Range

+50.0/+150.0 pounds per square inch

Regulation Type

Automatic single stage

Valve Loading Method

Spring

Filter

Not included

End Application

W/s designator tarawa class lha

Tempurature Rating

165.0 degrees fahrenheit

Part Name Assigned By Controlling Agency

Sea water pressure reducing valve.

Special Test Features

Hi shock testing and vibration testing, aero nav laboratories, 9-4042, 12/29/99.

NSN

4820-01-481-2587

Part Number

40398-4 ASSY 40398-407

Description

Valve,regulating,fluid Pressure

CAGE

55378

A valve designed to automatically maintain within close limits a predetermined outlet pressure which may be adjustable within a specified range regardless of the higher fluctuating or constant inlet pressure. It is designed for use with compressed gas(es) and various liquids and may include gauges. It may be inline or cartridge (manifold) design. Excludes regulator, pressure, medical gas administration apparatus; regulator, oxygen, barometric continuous flow; regulator, oxygen demand; regulator, oxygen diluter demand; and valve(1), fluid pressure regulating, aircraft.

Part 40398-4 ASSY 40398-407 NSN 4820-01-481-2587

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

27565

FIIG:

A21100

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:

127200

UFC:

64480

LTL:

85.0

LCL:

WCC:

594

TCC:

SHC:

ACC:

Construction Materials

Pricing & Availability Check

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Schedule B and Export

Schedule B: 8481809015
SITC: 74780
End Use: Industrial machines, other
NAICS: 332911
USDA: 1

Freight Class: Regulator valves, self-operating, for controlling variables such as temperature, pressure, flow and liquid level