Model: 1750-TIG 3.0IN

Vent-check Valve

Special Features:

Includes flame screen; nha swbs-500

Properties:

Thread Direction

Right-hand 1st end

Flow Control Device

Ball

Connection Style

Plain, optional end (pipe) 1st end

Valve Operation Method

Automatic

Connection Type

Threaded internal pipe 1st end

Mounting Facility

Threaded fastener

Mounting Position

Vertical

Thready Qty Per Inch (tpi)

8 1st end

Thread Size

3.000 inches 1st end

Part Name Assigned By Controlling Agency

Inverted vent check valve

Material

Copper flow control device

Material

Iron cast body

Media For Which Designed

Vacuum 1st response

Media For Which Designed

Water, salt 2nd response

Surface Treatment

Zinc

Style Designator

Straight thru

Thread Series Designator

Npt 1st end

Furnished Items And Quantity

1 float and 1 cover and 1 strainer

NSN

4820-01-469-0309

Part Number

1750-TIG 3.0IN

Description

Valve,vent-check

CAGE

79128

A dual purpose marine valve used primarily with shipboard cargo tanks and bulkheads. It acts both as a vent valve, to relieve vacuum and pressure, and a check valve, to prevent cargo contamination. It is equipped with an internal flame screen and/or a protective mesh and may include a hinged cover.

Part 1750-TIG 3.0IN NSN 4820-01-469-0309

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

52995

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:

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:

051080

UFC:

29300

LTL:

RATING VARIABLE

LCL:

WCC:

576

TCC:

SHC:

ACC:

Trailers/Vehicles

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Schedule B and Export

Schedule B: 8481302010
SITC: 74730
End Use: Industrial machines, other
NAICS: 332911
USDA: 1

Freight Class: Check valves of iron