481-18B-2

Check Valve

NSN 4820-00-744-1239

DEMIL

Shelf Life

UOM

NIIN

Demil:

Shelf Life:

N/A

UOM:

1 EA

NIIN:

007441239

Technical Specifications of NSN

Pipe Size Accommodated:

0.125 inches 2nd end

Pipe Size Accommodated:

0.125 inches 1st end

Thread Direction:

Right-hand 2nd end

Thread Direction:

Right-hand 1st end

Flow Control Device:

Poppet

Disk Loading Method:

Spring

Maximum Operating Temp:

200.0 degrees fahrenheit single response

Connection Style:

Plain (pipe) 2nd end

Connection Style:

Plain, optional end (pipe) 1st end

Valve Operation Method:

Automatic

Connection Type:

Threaded external pipe 2nd end

Connection Type:

Threaded internal pipe 1st end

Mounting Position:

Horizontal or vertical

Thready Qty Per Inch (tpi):

27 2nd end

Maximum Operating Pressure:

3000.0 pounds per square inch single response

Thread Size:

0.125 inches 1st end

Thread Size:

0.125 inches 2nd end

Material:

Copper alloy 360 body and steel comp 303 body

Material:

Copper alloy 360 seat

Material:

Rubber butadiene-acrylonitrile class nbr packing

Material:

Steel comp 304 flow control device

Material Specification:

Fed standard 66, aisi 303/sae 30303 federal standard 1st material response flow control device and federal standard 66, aisi 304/sae 30304 federal standard 2nd material response flow control device

Material Specification:

Qq-b-626, alloy 360 federal specification single material response seat

Material Specification:

Qq-b-626, alloy 360 federal specification single material response body

Media For Which Designed:

Water, fresh 3rd response

Media For Which Designed:

Air 1st response

Media For Which Designed:

Fuel/oil, hydrocarbon 2nd response

Style Designator:

Straight thru

Thread Series Designator:

Npt 2nd end

Thread Series Designator:

Npt 1st end

NSN:

4820-00-744-1239

Item Name:

Valve,pressure

Cage Code:

86768

Other Related Parts

Part Number

Cage

RNCC

RNVC

RNAAC

Status

MSDS

SADC

Part Number:

1801576-1

Cage Code:

03956

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

1801576

Cage Code:

21877

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

481-1/8B1-2

Cage Code:

86768

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

481-1/8-1

Cage Code:

96047

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Identification

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

05487

FIIG:

A530B0

Concept No.:

App. Key:

Cond. Code:

Status:

Part Materials

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:

050855

UFC:

29290

LTL:

RATING VARIABLE

LCL:

WCC:

576

TCC:

SHC:

ACC:

Construction Materials

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Pricing & Availability

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Definition Definition of approved item name (AIN): "Pressure Valve"

A valve permitting flow in one direction only. It does not have a stem, except when equipped with a lever and weight and has no pressure adjustment. It may be inline or cartridge (manifold) design.