Model: 9975897

Safety Relief Valve

Properties:

Pipe Size Accommodated

0.500 inches 1st end

Thread Direction

Right-hand 1st end

Flow Control Device

Poppet

Bonnet Type

Inside spring

Bonnet Attachment Method

Integral

Disk Loading Method

Spring

Maximum Operating Temp

450.0 degrees fahrenheit single response

Connection Style

G46b plain (pipe) 1st end

Valve Operation Method

Automatic

Connection Type

Threaded external pipe 1st end

Features Provided

Valve stem lock shield and pressure tight outlet side

Thready Qty Per Inch (tpi)

14 1st end

Maximum Operating Pressure

150.0 pounds per square inch single response

Thread Size

0.500 inches 1st end

Opening Pressure Setting

150.0 pounds per square inch

Material

Copper alloy

Material Specification

Qq-c-390, alloy a4 federal specification single material response

Media For Which Designed

Air single response

Test Data Document

18876-9975897 drawing (this is the basic governing drawing, such as a contractor drawing, original equipment manufacturer drawing, etc.; excludes any specification, standard or other document that may be referenced in a basic governing drawing)

Thread Series Designator

Npt 1st end

NSN

4820-00-875-9862

Part Number

9975897

Description

Valve,safety Relief

CAGE

18876

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 9975897 NSN 4820-00-875-9862

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:

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