Model: 284-0073-001

Safety Relief Valve

Properties:

Thread Class

3a all ends

Thread Direction

Right-hand all ends

Flow Control Device

Poppet

Bonnet Type

Inside screw

Bonnet Attachment Method

Integral

Disk Loading Method

Spring

Valve Discharge Flow Rate

4.5 cubic feet per minute

Maximum Operating Temp

250.0 degrees fahrenheit 2nd response

Maximum Operating Temp

280.0 degrees fahrenheit 1st response

Connection Style

G50 external seat for gasket seal (boss) all ends

Valve Operation Method

Automatic

Connection Type

Threaded external boss all ends

Features Provided

Valve stem lock shield

Maximum Operating Pressure

3.5 pounds per square inch single response

Thread Size

0.875 inches all ends

Opening Pressure Setting

3.5 pounds per square inch

Material

Aluminum alloy

Media For Which Designed

Air 1st response

Media For Which Designed

Nitrogen, gaseous 2nd response

Surface Treatment

Anodize

Thread Series Designator

Unef all ends

NSN

4820-00-958-7194

Part Number

284-0073-001

Description

Valve,safety Relief

CAGE

94756

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 284-0073-001 NSN 4820-00-958-7194

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:

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:

Engineer Supplies

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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