Model: 644646-103

Vent Valve

Properties:

Thread Class

3b 2nd end

Thread Direction

Right-hand 2nd end

Connection Style

G10a inverted flar (tube) 1st end

Connection Style

G10a inverted flar (tube) 2nd end

Connection Type

Threaded internal tube 2nd end

Connection Type

Threaded internal tube 1st end

Thread Size

0.437 inches 2nd end

Seat Angle

37.0 degrees 1st end

Seat Angle

37.0 degrees 2nd end

Outside Diameter Tube Accommodated

0.250 inches 2nd end

Material

Magnesium body

Media For Which Designed

Air single response

Test Data Document

36659-p-9009 drawing (this is the basic governing drawing, such as a contractor drawing, original equipment manufacturer drawing, etc.; excludes any specification, standard or other document that may be referenced in a basic governing drawing)

Thread Series Designator

Unf 2nd end

NSN

4820-01-087-3711

Part Number

644646-103

Description

Valve,vent

CAGE

98897

A valve designed to relieve internal pressure from gear housings, automotive axles, differentials, transmissions and the like. May or may not be threaded on one end. For items with relief pressure ratings see valve (1), safety relief.

Part 644646-103 NSN 4820-01-087-3711

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

35935

FIIG:

A046B0

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:

13.0 X 12.0 X 9.0

Paclk Weight:

7.0000lbs

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:

Trailers/Vehicles

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Schedule B and Export

Schedule B: 8481809050
SITC: 74780
End Use: Industrial machines, other
NAICS: 332911
USDA: 1

Freight Class: Other taps, cocks, valves, etc., nesoi