Model: 157A PLC10680-2000PSI

Safety Relief Valve

Special Features:

Does not include plug pc 13 and o-ring pc 22; similar to valve plc-10680-2500psi nsn 4820-01-290-9062 and plc-10680-3000psi nsn 4820-01-494-2037.

Properties:

Thread Direction

Right-hand all ends

Flow Control Device

Disk

Bonnet Attachment Method

Threaded

Disk Loading Method

Spring

Maximum Operating Temp

225.0 degrees fahrenheit single response

Minimum Operating Temp

-20.0 degrees fahrenheit

End Application

Lpd, aoe, tae, and taoe class

Valve Operation Method

Automatic

Connection Type

Threaded external hose all ends

Thready Qty Per Inch (tpi)

12 all ends

Maximum Operating Pressure

6000.0 pounds per square inch single response

Thread Size

1.7500 inches 2nd end

Thread Size

2.7500 inches 1st end

Opening Pressure Setting

2000.0 pounds per square inch

Part Name Assigned By Controlling Agency

Relief valve assembly .313 orfice

Material

Copper alloy 957 body or copper alloy 958 body

Material Specification

Mil-b-24480 military specification 1st material response body

Thread Series Designator

Un all ends

Furnished Items And Quantity

1 spring

NSN

4820-01-494-2032

Part Number

157A PLC10680-2000PSI

Description

Valve,safety Relief

CAGE

99565

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 157A PLC10680-2000PSI NSN 4820-01-494-2032

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:

14.9000lbs

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