Model: 429408

Safety Relief Valve

Properties:

Thread Class

2b all ends

Thread Direction

Right-hand all ends

Flow Control Device

Disk

Bonnet Type

Inside spring

Bonnet Attachment Method

Integral

Disk Loading Method

Spring

Maximum Operating Temp

100.0 degrees fahrenheit single response

Connection Style

G9 plain, optional en (pipe) all ends

Valve Operation Method

Automatic

Connection Type

Threaded internal tube all ends

Thready Qty Per Inch (tpi)

12 all ends

Maximum Operating Pressure

3000.0 pounds per square inch single response

Thread Size

1.625 inches all ends

Opening Pressure Setting

150.0 pounds per square inch

Outside Diameter Tube Accommodated

1.250 inches all ends

Material

Steel comp 303 bodysteel comp 303 flow control deviceplastic polytetrafluoroethylene seat

Material Specification

Qq-s-763 federal specification single material response bodyqq-s-763 federal specification single material response flow control device

Media For Which Designed

Liquid single response

Thread Series Designator

Un all ends

NSN

4820-01-359-6356

Part Number

429408

Description

Valve,safety Relief

CAGE

13520

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 429408 NSN 4820-01-359-6356

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:

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