Model: 40401-902

Fluid Pressure Regulating Valve

Special Features:

Weapon system essential. Ends w/o brazing rings installed.

Properties:

Body Material

Bronze, astm b61

Body Style

Straight thru

Stem Material

Nickel copper alloy, qq-n-281

Furnished Items

Union nut and tailpiece

Media For Which Designed

Water, fresh and water, salt

First End Connection Type

Unthreaded internal pipe

First End Style Designator

Streamlined with one brazing ring

First End Pipe Size Accommodated

1.500 inches

Second End Relationship With First End

Identical

Seat Material

Nickel copper alloy, qq-n-281

Flow Control Device

Diaphragm

Flow Control Device Material

Brass

End Connection Quantity

Renewable Seat Ring Type

Threaded

Outlet Pressure Range

+25.0/+60.0 pounds per square inch

Regulation Type

Automatic double stage

Valve Stem Design

Single seat

Valve Loading Method

Spring

Maximum Inlet Pressure Rating

150.0 pounds per square inch

Filter

Not included

End Application

Tarawa class lha, nimitz class cvn, oliver perry class ffg, forrestal class cv, emorys . Land class as, ticonderoga class cg (47), spruance class dd (963), wasp class lhd.

Tempurature Rating

165.0 degrees fahrenheit

Criticality Code Justification

Feat

Special Test Features

High-impact shock tests are requested as directed in paragraphs 3.6 and 4.4.2.3 of mil-v-2042 in pac test above

Test Data Document

81349-milv2042 specification (includes engineering type bulletins, brochures, etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "", etc.).

Nondefinitive Specification/std Data

2 type

NSN

4820-00-181-8920

Part Number

40401-902

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 40401-902 NSN 4820-00-181-8920

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:

35.8000lbs

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: 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