Model: 2490ADDAC

Safety Relief Valve

Properties:

Flow Control Device

Poppet

Disk Loading Method

Spring

Bolt Hole Quantity

6 1st end

Width

1.500 inches 1st end

Length

3.625 inches 1st end

Valve Operation Method

Automatic

Flange Shape

Oval with holes 1st end

Connection Type

Flange 1st end

Thickness

0.450 inches 1st end

Bolt Hole Diameter

0.438 inches 1st end

Bolt Circle Diameter

2.625 inches 1st end

Flange Face Design

Plain 1st end

Material

Copper alloy body

Material

Steel flow control device

Style Designator

C3 angle

Style Designator

Angle

NSN

4820-00-036-4860

Part Number

2490ADDAC

Description

Valve,safety Relief

CAGE

82796

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 2490ADDAC NSN 4820-00-036-4860

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:

Freight Classification

NMFC

UFC

LTL

LCL

WCC

TCC

SHC

ACC

NMFC:

127220

UFC:

64490

LTL:

77.5

LCL:

WCC:

594

TCC:

SHC:

ACC:

Trailers/Vehicles

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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