Model: 665-13-4D2

Safety Relief Valve

Properties:

Thread Class

3b all ends

Thread Direction

Right-hand 1st end

Flow Control Device

Poppet

Maximum Operating Temp

-40.0 degrees fahrenheit 1st response

Maximum Operating Temp

250.0 degrees fahrenheit 2nd response

Connection Style

G4 gasket sea (boss) all ends

Valve Operation Method

Automatic

Connection Type

Threaded internal boss all ends

Adjustable Pressure Range

+3000.0/+3600.0 pounds per square inch

Thread Size

0.438 inches 1st end

Outside Diameter Tube Accommodated

4.000 inches 1st end

Material

Aluminum alloy body

Thread Series Designator

Unf all ends

NSN

4820-01-188-1779

Part Number

665-13-4D2

Description

Valve,safety Relief

CAGE

09990

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 665-13-4D2 NSN 4820-01-188-1779

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:

0.7000lbs

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:

051080

UFC:

29300

LTL:

RATING VARIABLE

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