Model: 04-R-1-644-D1X

Check Valve

Properties:

Flow Control Device

Disk

Bolt Hole Quantity

4 all ends

Maximum Operating Temp

180.0 degrees fahrenheit single response

Minimum Operating Temp

10.0 degrees fahrenheit

End Application

4920-01-389-0602

Width

6.750 inches all ends

Length

9.250 inches all ends

Valve Operation Method

Automatic

Flange Shape

Oval with holes all ends

Connection Type

Flange all ends

Mounting Facility

Wafer

Mounting Position

Horizontal or vertical

Maximum Operating Pressure

150.0 pounds per square inch single response

Outside Diameter

5.375 inches all ends

Bolt Hole Diameter

0.688 inches all ends

Bolt Circle Diameter

7.500 inches all ends

Flange Face Design

Plain all ends

Material

Iron cast body

Style Designator

Straight thru

NSN

4820-01-422-8322

Part Number

04-R-1-644-D1X

Description

Valve,check

CAGE

27477

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 04-R-1-644-D1X NSN 4820-01-422-8322

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:

594

TCC:

SHC:

ACC:

Trailers/Vehicles

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Schedule B and Export

Schedule B: 8481302010
SITC: 74730
End Use: Industrial machines, other
NAICS: 332911
USDA: 1

Freight Class: Check valves of iron