Model: 40490-902

Fluid Pressure Regulating Valve

Special Features:

Meets high shock requirements of mil-s-9010 for ligh weight, grade a equipment: class i mounting fixture 4a, aero-nav laboratories report 3-6344 dated j25 july 1983, post shock test dated 1 august 1983. Approved by supships newport new, va letter cvn 58 coh/cvn 71/9505 (9480-0) ser 263b-2911 dated 25 october 198x, extension bath iron works, letter wp 0398x 45-vfl/0544/dfc: lar dated 26 october 1989. Meets requirements for type i vibrtion per mil-std 147, aero-nav laboratories report 4-8687-2 dated 17 april 1984 nd post est report date 19 april 1994. Approved by supships, sturgeon bay, wi letter n00024-82-c-2121/073, 260: jer: kml ser 2729 dated 16 may 1985. Extension bath iron works letter wp0398x 45/vfi/0544/dfc: ler dated 26 october 1986

Properties:

Body Material

Bronze

Body Style

Straight thru

Stem Material

Nickel copper alloy

Furnished Items

Brazing ring and tailpiece and union nut

Media For Which Designed

Air or nitrogen, gaseous

First End Connection Type

Unthreaded internal pipe

First End Style Designator

Socket w/brazing ring

First End Pipe Size Accommodated

1.500 inches

Second End Relationship With First End

Identical

Seat Material

Nickel copper alloy

Flow Control Device

Diaphragm

Flow Control Device Material

Rubber, buna-n

End Connection Quantity

Renewable Seat Ring Type

Retaining ring

Outlet Pressure Range

+25.0/+60.0 pounds per square inch

Regulation Type

Automatic single stage

Valve Stem Design

Double seat

Valve Loading Method

Spring

Maximum Inlet Pressure Rating

150.0 pounds per square inch

Filter

Not included

End Application

W/s designator tawara class lha

NSN

4820-01-482-3586

Part Number

40490-902

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 40490-902 NSN 4820-01-482-3586

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

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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