Model: UL 252

Fluid Pressure Regulating Valve

Properties:

Body Material

Any acceptable

Body Style

Angle

Media For Which Designed

Oxygen, gaseous

First End Connection Type

Threaded external tube

First End Style Designator

Flared

First End Outside Diameter Tube Accommodated

0.375 inches

First End Thread Size And Series/type Designator

0.563-18 unf

First End Thread Class

First End Thread Direction

Right-hand

Second End Relationship With First End

Not identical

Second End Connection Type

Threaded internal pipe

Second End Style Designator

Plain

Second End Thread Size And Series/type Designator

0.563-18 npt

Second End Thread Direction

Right-hand

Flow Control Device

Diaphragm

End Connection Quantity

Outlet Pressure Range

+0.0/+120.0 pounds per square inch

Regulation Type

1st stage automatic, 2nd stage manual

Manual Control Method

Knob

Valve Stem Design

Double seat

Valve Loading Method

Spring

Maximum Inlet Pressure Rating

300.0 pounds per square inch

Outlet Pressure Accuracy Rating

1.000 pounds per square inch

Filter

Not included

Nondefinitive Specification/std Data

3 type

NSN

4820-00-641-3519

Part Number

UL 252

Description

Valve,regulating,fluid Pressure

CAGE

80204

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 UL 252 NSN 4820-00-641-3519

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:

5.0000lbs

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:

576

TCC:

SHC:

ACC:

Construction Materials

End Items End applications NSN 4820-00-641-3519 is a component of

Recovery M-88 Series Vehicle
Heavy Expanded Mobility Tactical (hemtt) Truck
5-ton M939 Series Truck
Lvs Power Unit Mk48 And Trailer Family
5-ton (m936) Wrecker Truck
Anti-tank Lav
Family Of Medium And Light Tactical Vehicles (fmtv)
M88a2 Hercules Recovery Vehicle
Tam B19457 Set#3 Trk-mtd Contact Maint Shop Equipment
005382736
Semitrailer Mounted Petroleum Laboratory

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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