Model: 6666

Check Valve

Properties:

Thread Class

2a 1st end

Thread Class

2a 2nd end

Thread Direction

Right-hand 2nd end

Thread Direction

Right-hand 1st end

Flow Control Device

Disk

Disk Loading Method

Spring

Connection Style

External seat for gasket seal (boss) 2nd end

Connection Style

Flared (tube) 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

Thread Size

0.875 inches 1st end

Thread Size

0.875 inches 2nd end

Seat Angle

37.0 degrees 1st end

Material

Steel

Style Designator

Angle

Thread Series Designator

Unf 1st end

Thread Series Designator

Unf 2nd end

NSN

4820-00-146-8971

Part Number

6666

Description

Valve,check

CAGE

07443

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 6666 NSN 4820-00-146-8971

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:

WCC:

594

TCC:

SHC:

ACC:

Trailers/Vehicles

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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