Di Compound Pressure-vacuum Gage NSN 6685-00-494-7857

Item Description

An instrument designed to measure and indicate pressure and vacuum, on one dial having a divided scale, a single indicating pointer which rotates either clockwise or counterclockwise according to whether pressure is applied or withdrawn.

NSN: 6685-00-494-7857

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Features and Characteristics

Overall Depth

2.406 inches

Bolt Circle Diameter

4.250 inches

Mounting Hole Diameter

0.219 inches

Mounting Hole Quantity

Overall Diameter

3.969 inches

Case Material

Aluminum alloy

Case Surface Treatment

Enamel, gray

Graduation Unit

30.0 inches of mercury and 100.0 pounds per square inch

Actuation Type

Single bourdon tube

Adjustability

Adjustable

Scale Range

+0.0/+30.0 inches of mercury and +0.0/+600.0 pounds pressure per square inch

Scale Name

Pressure-vacuum

Dial Size

3-1/2 inch diameter

Connection Quantity

Pointer Color

Black and red

Pointer Type

Indicating and reference

Scale Marking

Shock resistant

Scale Type

Multiple

Scale Smallest Increment

5.0 pounds per square inch

Connection Type

External

Mounting Method

Surface

Scale Accuracy

1 percent of range span

Actuating Element Material

Nickel copper alloy

Scale Inscription/background Color

Black figures, white background

Scale Name For Which Pointer Is Designed

Pressure-vacuum

Connection Location

Bottom

Protective Crystal Material

Plastic, mil-p-5425

Connection Size

0.250 in. Tube

Connector Type Vent

Not provided

FSC

6685 Humidity Measuring And Controlling Instruments Temperature Pressure

NIIN

004947857

NSN

6685004947857

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

SC3NN6HCWRONAG

Cage Code:

81349

Status:

MSDS:

Part Number:

MIL-G-18997

Cage Code:

81349

Status:

MSDS:

Part Number:

G27-80

Cage Code:

64467

Status:

MSDS:

Part Number:

SA23-3CIF-LWBX

Cage Code:

64467

Status:

MSDS:

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 6685-00-494-7857

What are the manufacturers of nsn 6685004947857?

Military Specifications (81349)
Weksler Glass Thermometer Corp (64467)

Does this nsn 6685004947857 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 6685004947857
An instrument designed to measure and indicate pressure and vacuum, on one dial having a divided scale, a single indicating pointer which rotates either clockwise or counterclockwise according to whether pressure is applied or withdrawn.

Does nsn 6685004947857 contain any precious metals?
Precious metal content is unknown.

Does nsn 6685004947857 contain any hazardous materials?
No information in HMIRS. Hazardous material unknown.

What is the ESD classification of nsn 6685004947857?
No known electrostatic discharge.

Identification Group

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

INC

FIIG

App. Key

Cond. Code

Status

INC:

07424

FIIG:

T179-B

App. Key:

Cond. Code:

Status:

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Certificate of Conformance
Quality Inspected Parts
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