Model: 4-1750SILB

Vent-check Valve

Special Features:

No blow through

Properties:

Pipe Size Accommodated

4.000 inches 1st end

Connection Style

Socket with brazing ring (pipe) 1st end

Valve Operation Method

Automatic

Connection Type

Unthreaded internal pipe 1st end

Mounting Position

Vertical

Part Name Assigned By Controlling Agency

Inverted vent check valve

Material

Copper alloy flow control device

Material

Copper alloy body

Style Designator

Straight thru

Furnished Items And Quantity

1 cover and 1 float

NSN

4820-01-453-2088

Part Number

4-1750SILB

Description

Valve,vent-check

CAGE

79128

Part 4-1750SILB NSN 4820-01-453-2088

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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