Model: 6689658

Check Valve

Properties:

Flow Control Device

Disk

Maximum Operating Temp

28.0 degrees fahrenheit single response

Valve Operation Method

Automatic

Connection Type

Threaded external pipe 1st end

Connection Type

Unthreaded internal pipe 2nd end

Maximum Operating Pressure

4500.0 pounds per square inch single response

Opening Pressure Setting

35.0 pounds per square inch

Media For Which Designed

Fuel/oil, hydrocarbon single response

Style Designator

Straight thru

NSN

4820-01-394-0591

Part Number

6689658

Description

Valve,check

CAGE

53711

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 6689658 NSN 4820-01-394-0591

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: 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