Model: 4CV446

Check Valve

Properties:

Thread Class

3a 1st end

Thread Direction

Right-hand 1st end

Flow Control Device

Disk

Connection Style

Flareless 1st end

Connection Type

Threaded external tube 1st end

Connection Type

Threaded external tube 2nd end

Thready Qty Per Inch (tpi)

20 1st end

Maximum Operating Pressure

3000.0 pounds per square inch single response

Thread Size

0.438 inches 1st end

Seat Angle

12.0 degrees 1st end

Outside Diameter Tube Accommodated

0.250 inches 1st end

Material

Aluminum alloy body

Material

Copper alloy seat

Media For Which Designed

Hydraulic fluid, phosphate-ester base single response

Surface Treatment

Anodize

Style Designator

Straight thru

Test Data Document

81349-mil-v-19069 specification (includes engineering type bulletins, brochures, etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "", etc.).

Thread Series Designator

Unf 1st end

NSN

4820-00-683-8577

Part Number

4CV446

Description

Valve,check

CAGE

26044

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 4CV446 NSN 4820-00-683-8577

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:

Packaging & Shipping

Est. Pack Size

Est. Pack Weight

Est. Item Weight

Est. Item Dim.

Pack Size:

Paclk Weight:

0.1000lbs

Item Weight:

Item Dim:

OPI

SPI No.

SPI Rev.

SPC Mkg.

LVL A

LVL B

OPI:

SPI No.:

SPI Rev.:

SPC Mkg:

LVL_A:

LVL_B:

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:

Equipment for Aircraft

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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