Model: E6-166-1

Check Valve

Special Features:

Rated flow is 320 gpm at 48 inches h2o; mounting facility is a mounting pad; outside diameter of valve is 3.339 inches ; unpackaged item weight is 0.190 lbs

Properties:

Thread Class

3b all ends

Bolt Hole Quantity

2 all ends

Maximum Operating Temp

160.0 degrees fahrenheit single response

Minimum Operating Temp

-65.0 degrees fahrenheit

End Application

Aircraft fuel system

Valve Operation Method

Manual

Connection Type

Threaded external boss all ends

Mounting Position

Horizontal

Thready Qty Per Inch (tpi)

32 all ends

Maximum Operating Pressure

60.0 pounds per square inch single response

Thread Size

0.138 inches all ends

Bolt Hole Diameter

0.149 inches all ends

Bolt Circle Diameter

0.304 inches all ends

Center To Center Distance Between Bolt Holes Along Length

1.656 inches all ends

Part Name Assigned By Controlling Agency

Disk, valve

Media For Which Designed

Fuel/oil, hydrocarbon single response

Style Designator

Straight thru

Thread Series Designator

Unc all ends

NSN

4820-01-469-3468

Part Number

E6-166-1

Description

Valve,check

CAGE

26433

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 E6-166-1 NSN 4820-01-469-3468

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:

Equipment for Aircraft

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Schedule B and Export

Schedule B: 8481301010
SITC: 74730
End Use: Industrial machines, other
NAICS: 332911
USDA: 1

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