Model: A51H9072-1

Check Valve

Special Features:

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

Properties:

Thread Class

3a 2nd end

Thread Class

3a 1st end

Thread Direction

Right-hand 2nd end

Thread Direction

Right-hand 1st end

Flow Control Device

Poppet

Disk Loading Method

Spring

Connection Style

External seat for gasket seal (boss) 2nd end

Connection Style

Flareless 1st end

Valve Operation Method

Automatic

Connection Type

Threaded external boss 2nd end

Connection Type

Threaded external tube 1st end

Mounting Position

Horizontal or vertical

Thready Qty Per Inch (tpi)

14 1st end

Thready Qty Per Inch (tpi)

16 2nd end

Maximum Operating Pressure

3000.0 pounds per square inch single response

Thread Size

0.875 inches 1st end

Thread Size

1.000 inches 2nd end

Seat Angle

12.0 degrees 1st end

Outside Diameter Tube Accommodated

0.625 inches 1st end

Material

Steel comp 630 body

Material

Steel comp 630 flow control device

Media For Which Designed

Hydraulic fluid, silicate-ester base single response

Surface Treatment

Passivate

Surface Treatment Specification

Mil-s-5002 military specification single treatment response

Style Designator

Straight thru

Thread Series Designator

Unf 1st end

Thread Series Designator

Unj 2nd end

NSN

4820-00-434-5198

Part Number

A51H9072-1

Description

Valve,check

CAGE

61174

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.

Part A51H9072-1 NSN 4820-00-434-5198

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:

Freight Classification

NMFC

UFC

LTL

LCL

WCC

TCC

SHC

ACC

NMFC:

051080

UFC:

29300

LTL:

RATING VARIABLE

LCL:

WCC:

576

TCC:

SHC:

ACC:

Construction Materials

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Schedule B and Export

Schedule B: 8481302090
SITC: 74730
End Use: Industrial machines, other
NAICS: 332911
USDA: 1

Freight Class: Check valves of steel