Model: 668276-11

Safety Relief Valve

Special Features:

Filter guard in stainless steel

Properties:

Thread Class

3a 2nd end

Thread Class

3a 1st end

Thread Direction

Right-hand 2nd end

Thread Direction

Right-hand 1st end

Flow Control Device

Poppet

Disk Loading Method

Spring

Maximum Operating Temp

65.0 degrees fahrenheit single response

Connection Style

G45 flareless (tube) 2nd end

Connection Type

Threaded external tube 1st end

Connection Type

Threaded external tube 2nd end

Thready Qty Per Inch (tpi)

12 3rd end

Maximum Operating Pressure

16.0 pounds per square inch single response

Thread Size

0.750 inches 1st end

Thread Size

0.750 inches 2nd end

Seat Angle

24.0 degrees 1st end

Seat Angle

24.0 degrees 2nd end

Opening Pressure Setting

12.0 pounds per square inch

Outside Diameter Tube Accommodated

0.500 inches 1st end

Outside Diameter Tube Accommodated

0.500 inches 2nd end

Thread Series Designator

Un 3rd end

NSN

4820-00-858-0502

Part Number

668276-11

Description

Valve,safety Relief

CAGE

98897

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 668276-11 NSN 4820-00-858-0502

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:

0.6000lbs

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:

77.5

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