Model: 821907-1

Safety Relief Valve

Properties:

Thread Class

2a all ends

Thread Direction

Right-hand all ends

Flow Control Device

Spool

Valve Discharge Flow Rate

40.0 gallons per minute

Connection Style

G46a plain (tube) all ends

Valve Operation Method

Automatic

Connection Type

Threaded cartridge all ends

Thready Qty Per Inch (tpi)

14 all ends

Adjustable Pressure Range

+150.0/+1500.0 pounds per square inch

Maximum Operating Pressure

6000.0 pounds per square inch single response

Thread Size

1.000 inches all ends

Material

Steel body

Thread Series Designator

Uns all ends

NSN

4820-00-834-4978

Part Number

821907-1

Description

Valve,safety Relief

CAGE

80206

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 821907-1 NSN 4820-00-834-4978

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:

Freight Classification

NMFC

UFC

LTL

LCL

WCC

TCC

SHC

ACC

NMFC:

051080

UFC:

29300

LTL:

RATING VARIABLE

LCL:

WCC:

723

TCC:

SHC:

ACC:

Instruments/Radio

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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