Dial Indicating Pressure Gage NSN 6685-00-756-1661

Item Description

An instrument designed to measure air, gas, fluid, and vapor pressure by means of an internal pressure sensitive element (bellows, bourdon tube, transducer/transmitter and the like) which transmits energy, by direct linkage, to the indicating pointer of a scale or a digital display, calibrated in units of pressure. it may include a temperature equivalent scale. for items that do not have an internal pressure sensitive element see indicator, pressure.

NSN: 6685-00-756-1661

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Features and Characteristics

Overall Depth

1.188 inches

Overall Diameter

2.250 inches

Case Material

Brass

Case Surface Treatment

Chrome

Graduation Unit

1.0 liters and 2.0 liters

Actuation Type

Single bourdon tube

Adjustability

Nonadjustable

Scale Range

+0.0 to 15.0 liters per minute and +0.0 to 18.0 liters per minute

Scale Name

Flow

Dial Size

2 in. Dia

Connection Quantity

Pointer Color

Green and black

Pointer Type

Indicating

Scale Marking

Liters flow per min oxygen semicolon /in symbol form/ helium 80 pct - oxygen 20 pct mix

Scale Type

Multiple

Scale Smallest Increment

1.0 liters and 2.0 liters

Connection Type

External

Mounting Method

Rigid stem

Scale Accuracy

2 pct entire range

Actuating Element Material

Brass

Scale Inscription/background Color

Green figures on white background, brown figures on white background

Scale Name For Which Pointer Is Designed

Oxygen and helium-oxygen

Connection Location

Lower

Bezel Type

Thread

Protective Crystal Material

Glass

Connection Size

1/4 in. Npt

Connector Type Vent

Not provided

Part Name Assigned By Controlling Agency

Gage gas flow dial indicating helium-oxygen 0-18 liters 1/4innpt

Material

Brass

Material

Copper alloy

Surface Treatment

Chromium

Surface Treatment

Chrome

FSC

6685 Humidity Measuring And Controlling Instruments Temperature Pressure

NIIN

007561661

NSN

6685007561661

Manufacturer Part Numbers

Part numbers registered to this national stock number.

No part numbers found for this NSN.

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov

Schedule B Number: 9026200000
NAICS: 334513
SITC: 87435
Description: Instruments and apparatus for measuring or checking pressure
End Use (Code 21160):
Measuring, testing, control instruments

Q & A

Frequently asked questions for NSN 6685-00-756-1661

What are the manufacturers of nsn 6685007561661?

Does this nsn 6685007561661 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 6685007561661
An instrument designed to measure air, gas, fluid, and vapor pressure by means of an internal pressure sensitive element (bellows, bourdon tube, transducer/transmitter and the like) which transmits energy, by direct linkage, to the indicating pointer of a scale or a digital display, calibrated in units of pressure. it may include a temperature equivalent scale. for items that do not have an internal pressure sensitive element see indicator, pressure.

Does nsn 6685007561661 contain any precious metals?
No precious metal content.

Does nsn 6685007561661 contain any hazardous materials?
No information in HMIRS. Hazardous material unknown.

What is the ESD classification of nsn 6685007561661?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)

INC

FIIG

App. Key

Cond. Code

Status

INC:

07428

FIIG:

T179-B

App. Key:

Cond. Code:

Status:

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