Model: 4390

Check Valve

Properties:

Flow Control Device

Disk

Bolt Hole Quantity

8 1st end

Flange Shape

Round with holes 1st end

Connection Type

Flange 1st end

Mounting Position

Vertical

Maximum Operating Pressure

350.0 pounds per square inch single response

Outside Diameter

6.625 inches 1st end

Face To Face Distance

11.250 inches

Bolt Hole Diameter

0.562 inches 1st end

Bolt Circle Diameter

5.500 inches 1st end

Flange Face Design

Raised straight 1st end

Media For Which Designed

Water, salt single response

Style Designator

Straight thru

NSN

4820-00-469-0358

Part Number

4390

Description

Valve,check

CAGE

71905

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 4390 NSN 4820-00-469-0358

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:

127220

UFC:

64490

LTL:

77.5

LCL:

77.5

WCC:

594

TCC:

SHC:

ACC:

Trailers/Vehicles

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Schedule B and Export

Schedule B: 8481301090
SITC: 74730
End Use: Industrial machines, other
NAICS: 332911
USDA: 1

Freight Class: Check valves of copper having a pressure rating of 850 kpa or over