Model: NRV250B-135B

Pressure And Temper Relief Valve

Special Features:

Used on p/n 8431400; dim o/a lg 2.250 in max; o/a w 0.875 in; storage temp range c minus 10.0 to pos c85.0 aim-9 msl

Properties:

Body Material

Brass, qq-b-626, alloy 360, 1/2h

Body Style

Single connection

Tempurature Rating

55.0 degrees celsius

Tempurature Rating

-10.0 degrees celsius

First End Connection Type

Threaded external pipe

First End Style Designator

Plain

First End Pipe Size Accommodated

0.250 inches

First End Thread Size And Series/type Designator

0.250-18 npt

First End Thread Direction

Right-hand

Flow Control Device

Disk, flat

End Connection Quantity

Valve Discharge Flow Rate

50.0 cubic feet per minute

Tempurature Adjustability

Not adjustable

NSN

4820-01-253-6686

Part Number

NRV250B-135B

Description

Valve,relief,pressure And Temper

CAGE

06023

A valve designed to release under excessive pressure and/or excessive temperature by opening at a predetermined pressure and/or temperature. Thermostatically operated valves close when the pressure is relieved or the temperature is reduced. Fusible plug valves require replacement of the plug. See also valve, safety relief and valve, regulating. Temperature.

Part NRV250B-135B NSN 4820-01-253-6686

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

16996

FIIG:

A07100

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:

0.2000lbs

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:

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