Model: 81PS1F68-8/140

Safety Relief Valve

Properties:

Bonnet Type

Inside spring

Bonnet Attachment Method

Threaded

Valve Operation Method

Air

Power Drive Operating Pressure

6.3 kilograms per square centimeter

Material

Plastic polypropylene seat

Style Designator

Angle w/offset

NSN

4820-01-646-3619

Part Number

81PS1F68-8/140

Description

Valve,safety Relief

CAGE

15187

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 81PS1F68-8/140 NSN 4820-01-646-3619

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:

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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