Model: 481 1-4D1

Check Valve

Special Features:

The end connection identified above as the second end is the valve inlet

Properties:

Pipe Size Accommodated

0.250 inches 2nd end

Pipe Size Accommodated

0.250 inches 1st end

Thread Direction

Right-hand 2nd end

Thread Direction

Right-hand 1st end

Disk Loading Method

Spring

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

Thready Qty Per Inch (tpi)

18 2nd end

Thready Qty Per Inch (tpi)

18 1st end

Thread Size

0.250 inches 1st end

Thread Size

0.250 inches 2nd end

Media For Which Designed

Fuel/oil, hydrocarbon single response

Surface Treatment

Anodize

Surface Treatment Specification

Mil-a-8625, type 1 military specification single treatment response

Style Designator

Straight thru

Thread Series Designator

Npt 2nd end

Thread Series Designator

Npt 1st end

NSN

4820-00-472-4223

Part Number

481 1-4D1

Description

Valve,check

CAGE

86768

Part 481 1-4D1 NSN 4820-00-472-4223

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

05487

FIIG:

A530B0

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:

127220

UFC:

64490

LTL:

77.5

LCL:

77.5

WCC:

594

TCC:

SHC:

ACC:

Trailers/Vehicles

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