Model: 4291

Liquid Sight Indicator

Properties:

Thread Direction

Right-hand both ends

Overall Height

3.250 inches

Pipe Size For Which Designed

0.250 inches both ends

Width Across Flats

0.750 inches

Sight Height

0.750 inches

End Connection Type

Threaded internal, double compression both ends

Features Provided

Coupling nut

Thready Qty Per Inch (tpi)

18 both ends

Thread Size

0.250 inches both ends

Furnished Data

Liquid flow

Data Furnishing Method

Clear window

Material

Copper alloy

Media For Which Designed

Oil

Style Designator

Vertical shielded, double port

Thread Series Designator

Npt both ends

NSN

6680-00-586-5623

Part Number

4291

Description

Indicator,sight,liquid

CAGE

0BT82

An item so designed to have a portion or all of its body transparent to permit the visual examination of the amount of liquid in a pressure vessel, boiler, evaporator, still, processing tank, reservoir, pipe tubing line, and the like, and/or to determine the flow to a lubricated part. It may also be provided with an element that changes colors to indicate changes in moisture content. The item may have a means for refilling. Excludes indicator, liquid quantity and indicator, rate of flow.

Part 4291 NSN 6680-00-586-5623

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

03175

FIIG:

A43400

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:

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Schedule B and Export

Schedule B: 9026107000
SITC: 87431
End Use: Measuring, testing, control instruments
NAICS: 334513
USDA: 1

Freight Class: Instruments and apparatus for measuring or checking the flow or level of liquids, nesoi