Model: HL4290PC283

Safety Relief Valve

Properties:

Pipe Size Accommodated

0.500 inches all ends

Thread Direction

Right-hand all ends

Flow Control Device

Poppet

Disk Loading Method

Spring

Connection Style

G46b plain (pipe) all ends

Connection Style

Plain (pipe) all ends

Valve Operation Method

Automatic or manual

Connection Type

Threaded external pipe all ends

Adjustable Pressure Range

+76.0/+175.0 pounds per square inch

Maximum Operating Pressure

250.0 pounds per square inch single response

Thread Size

0.500 inches all ends

Material

Copper alloy

Media For Which Designed

Air single response

Style Designator

Straight thru

Thread Series Designator

Npt all ends

NSN

4820-00-289-1861

Part Number

HL4290PC283

Description

Valve,safety Relief

CAGE

93232

A valve designed to automatically release excessive pressures. It is actuated by static pressure upstream of the valve and is used as a safety valve or relief valve, and may be set to close at a predetermined pressure. It is not designed for regulation of continuously fluctuating loads. It may be inline or cartridge (manifold) design. Excludes valve (1), relief, pressure and temperature.

Part HL4290PC283 NSN 4820-00-289-1861

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

05488

FIIG:

A046B0

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:

1.0000lbs

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

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Schedule B and Export

Schedule B: 8481400000
SITC: 74740
End Use: Industrial machines, other
NAICS: 332911
USDA: 1

Freight Class: Safety or relief valves