Model: 40321-003

Fluid Pressure Regulating Valve

Special Features:

Controls back pressure

Properties:

Body Material

Steel, mil-s-15083, grade b

First End Flange Outside Diameter

4.880 inches

Second End Flange Outside Diameter

4.250 inches

Body Style

Straight thru

Stem Material

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

Media For Which Designed

Water

First End Connection Type

Recessed flange

First End Style Designator

Recessed

First End Recess Diameter

2.000 inches

First End Recess Depth

0.250 inches

First End Flange Shape Style

Round w/ bolt holes

First End Flange Thickness

0.250 inches

First End Bolt Hole Quantity

First End Bolt Hole Diameter

0.750 inches

First End Bolt Circle Diameter

3.500 inches

Second End Relationship With First End

Not identical

Second End Connection Type

Raised face flange

Second End Style Designator

Raised

Second End Flange Shape Style

Round w/ bolt holes

Second End Flange Thickness

0.060 inches

Second End Bolt Hole Quantity

Second End Bolt Hole Diameter

0.620 inches

Second End Bolt Circle Diameter

3.120 inches

Seat Material

Nickel copper alloy, qq-n-288, comp a

Face To Face Distance

9.438 inches

Packing Material

Rubber, buna-n

Flow Control Device

Disk

Flow Control Device Material

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

End Connection Quantity

Renewable Seat Ring Type

Threaded

Regulation Type

Automatic single stage

Valve Stem Design

Single seat

Valve Loading Method

Spring

Remote Actuation Method

Diaphragm

Maximum Inlet Pressure Rating

100.0 pounds per square inch

Outlet Pressure Setting

96.0 pounds per square inch

Filter

Not included

Specification Data

81349-mil-v-20065a government specification

Nondefinitive Specification/std Data

B type and b class

NSN

4820-01-061-6539

Part Number

40321-003

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 40321-003 NSN 4820-01-061-6539

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:

25.0000lbs

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:

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