Model: 620-6-6

Safety Relief Valve

Properties:

Thread Class

3b all ends

Thread Direction

Right-hand all ends

Flow Control Device

Poppet

Bonnet Type

Packing retaining

Disk Loading Method

Spring

Maximum Operating Temp

-65.0 degrees fahrenheit 1st response

Maximum Operating Temp

225.0 degrees fahrenheit 2nd response

Connection Style

G5a flar (tube) all ends

Connection Style

Flar (tube) all ends

Valve Operation Method

Automatic

Connection Type

Threaded internal tube all ends

Features Provided

Pressure tight outlet side

Adjustable Pressure Range

+430.0/+650.0 pounds per square inch

Adjustable Pressure Range

+430.0 to 650.0 pounds per square inch

Maximum Operating Pressure

650.0 pounds per square inch single response

Thread Size

0.562 inches all ends

Outside Diameter Tube Accommodated

0.375 inches all ends

Material

Aluminum alloy

Media For Which Designed

Water, fresh 2nd response

Media For Which Designed

Fuel/oil, hydrocarbon 1st response

Style Designator

Angle

Thread Series Designator

Unf all ends

NSN

4820-00-113-8276

Part Number

620-6-6

Description

Valve,safety Relief

CAGE

86768

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 620-6-6 NSN 4820-00-113-8276

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:

0.1000lbs

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:

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