Model: 12C146

Check Valve

Properties:

Thread Class

3a 2nd end

Thread Class

3b 1st end

Thread Direction

Right-hand 2nd end

Thread Direction

Right-hand 1st end

Flow Control Device

Disk

Disk Loading Method

Spring

Maximum Operating Temp

450.0 degrees fahrenheit single response

Connection Style

External seat for gasket seal (boss) 2nd end

Connection Style

Gasket seal (boss) 1st end

Valve Operation Method

Automatic

Connection Type

Threaded external boss 2nd end

Connection Type

Threaded internal boss 1st end

Mounting Position

Horizontal or vertical

Thready Qty Per Inch (tpi)

12 1st end

Thready Qty Per Inch (tpi)

12 2nd end

Maximum Operating Pressure

120.0 pounds per square inch single response

Thread Size

1.062 inches 1st end

Thread Size

1.062 inches 2nd end

Seat Angle

37.0 degrees 2nd end

Material

Aluminum alloy 2024 body

Media For Which Designed

Air single response

Surface Treatment

Anodize

Surface Treatment Specification

Mil-a-8625 military specification single treatment response

Style Designator

Straight thru

Thread Series Designator

Unj 1st end

Thread Series Designator

Unj 2nd end

NSN

4820-01-166-7131

Part Number

12C146

Description

Valve,check

CAGE

82829

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 12C146 NSN 4820-01-166-7131

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: 8481309000
SITC: 74730
End Use: Industrial machines, other
NAICS: 332911
USDA: 1

Freight Class: Check valves of materials other than copper, iron or steel