Mercurial Barometer NSN 6685-00-991-5461

Item Description

A barometer consisting of a column of mercury which rises and falls within a tube due to variations of atmospheric pressure.

NSN: 6685-00-991-5461

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Features and Characteristics

Overall Length

42.000 inches

Overall Width

3.000 inches

Graduation Unit

0.010 inches

Scale Range

+25.5/+31.7 inches absolute pressure below barometer

Cistern Type

Adjustable

Tube Bore Diameter

0.250 inches

Special Features

Can be used up to 3000 ft, 900 m, above sea level; double scale also reads 647 to 805 mm at 0.1 mm div; double scaled thermometer reads in c and f; mercury level and white zero pointer are clearly visible in glass cistern; white backing for cistern and meniscus; uniform bore 1/4 inch, 6.4 mm, so capillary depression is constant and taken into account in calibration; tube is in metal casing on 3 by 42 inch wood panel; mercury is included

Functional Description

Adjust level of mercury pool so its surface just touches the white zero pointer which fixes zero point of column; use scale and vernier to read column height; make corrections for temp and gravity as shown in instructions, this will give true barometric pressure at desired location

FSC

6685 Humidity Measuring And Controlling Instruments Temperature Pressure

NIIN

009915461

NSN

6685009915461

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

02-380

Cage Code:

94480

Status:

MSDS:

Part Number:

2-380

Cage Code:

22527

Status:

MSDS:

Foreign Trade & Schedule B

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

Schedule B Number: 9025801500
NAICS: 334519
SITC: 87455
Description: Barometers, not combined with other instruments, nesoi
End Use (Code 21610):
Medicinal equipment

Q & A

Frequently asked questions for NSN 6685-00-991-5461

What are the manufacturers of nsn 6685009915461?

Fisher Scientific Worldwide (94480)
Fisher Scientific Company L.l.c. (22527)

Does this nsn 6685009915461 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 6685009915461
A barometer consisting of a column of mercury which rises and falls within a tube due to variations of atmospheric pressure.

Does nsn 6685009915461 contain any precious metals?
No precious metal content.

Does nsn 6685009915461 contain any hazardous materials?
Hazardous material. MSDS available in HMIRS.

What is the ESD classification of nsn 6685009915461?
No known electrostatic discharge.

Identification Group

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

INC

FIIG

App. Key

Cond. Code

Status

INC:

01072

FIIG:

T179-A

App. Key:

Cond. Code:

Status:

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On Time Delivery
Certificate of Conformance
Quality Inspected Parts
Quality Fast Service