Model: EW63003

Check Valve

Special Features:

Flight safety critical

Properties:

Thread Class

3a all ends

Thread Direction

Right-hand all ends

Flow Control Device

Poppet

Maximum Operating Temp

500.0 degrees fahrenheit single response

Connection Style

External seat for gasket seal (boss) all ends

Valve Operation Method

Automatic

Flange Shape

Hexagon 1st end

Connection Type

Threaded external boss all ends

Mounting Position

Horizontal or vertical

Maximum Operating Pressure

2.0 pounds per square inch single response

Thread Size

0.437 inches all ends

Seat Angle

37.0 degrees all ends

Criticality Code Justification

Feat

Thickness

0.250 inches 1st end

Flange Face Design

Plain 1st end

Material

Aluminum body

Style Designator

Straight thru

Thread Series Designator

Unf all ends

NSN

4820-01-179-0075

Part Number

EW63003

Description

Valve,check

CAGE

30941

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 EW63003 NSN 4820-01-179-0075

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:

0.3000lbs

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:

WCC:

593

TCC:

SHC:

ACC:

Construction Materials

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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