Model: 406277-1

Safety Relief Valve

Special Features:

Extended stem

Properties:

Thread Class

2b 1st end

Thread Direction

Right-hand 2nd end

Thread Direction

Right-hand 1st end

Flow Control Device

Poppet

Maximum Operating Temp

230.0 degrees fahrenheit single response

Connection Style

G46b plain (pipe) 2nd end

Connection Style

G5a flar (tube) 1st end

Valve Operation Method

Automatic

Connection Type

Threaded external pipe 2nd end

Connection Type

Threaded internal tube 1st end

Mounting Facility

Threaded fastener

Maximum Operating Pressure

300.0 pounds per square inch single response

Thread Size

0.188 inches all ends

Opening Pressure Setting

50.0 pounds per square inch

Outside Diameter Tube Accommodated

0.125 inches all ends

Material

Copper alloy body

Material

Stainless steel seat

Media For Which Designed

Water, salt 2nd response

Media For Which Designed

Air 1st response

Thread Series Designator

Npt 2nd end

Thread Series Designator

Unf 1st end

NSN

4820-01-116-4868

Part Number

406277-1

Description

Valve,safety Relief

CAGE

00752

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 406277-1 NSN 4820-01-116-4868

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:

051080

UFC:

29300

LTL:

RATING VARIABLE

LCL:

WCC:

576

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