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Dial Indicating Pressure Gage NSN 6685-00-689-7421

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 6685-00-689-7421 NSN: 6685-00-689-7421

Features and Characteristics

Overall Depth
1.563 inches
Overall Diameter
4.000 inches
Case Material
Steel
Case Surface Treatment
Enamel
Usage Design
W/air, steam or water
Graduation Unit
20.0 pounds
Actuation Type
Single bourdon tube
Adjustability
Adjustable
Scale Range
+0.0 to 160.0 pounds pressure per square inch
Scale Name
Pressure
Dial Size
3-1/2 in. Dia
Connection Quantity
1
Pointer Color
Black
Pointer Type
Indicating
Scale Type
Single
Scale Smallest Increment
2.0 pounds
Connection Type
External
Mounting Method
Rigid stem
Scale Accuracy
2 pct middle third of range
Actuating Element Material
Brass
Scale Inscription/background Color
Black figures on white background
Scale Name For Which Pointer Is Designed
Pressure
Connection Location
Lower
Bezel Type
Snap-on
Protective Crystal Material
Glass
Connection Size
1/4 in. Npt
Connector Type Vent
Not provided
Material
Steel
Material
Steel
Surface Treatment
Paint crackle finish
Surface Treatment
Finish, black, crackle
Reference Number Differentiating Characteristics
As differentiated by scale range dial data, case, data, connection data
FSC
6685 Humidity Measuring And Controlling Instruments Temperature Pressure
NIIN
006897421
NSN
6685006897421

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
1000
Cage Code:
38056
Status:
A
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 6685-00-689-7421
What are the manufacturers of nsn 6685006897421?
Does this nsn 6685006897421 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 6685006897421
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 6685006897421 contain any precious metals?
Precious metal content is unknown.
Does nsn 6685006897421 contain any hazardous materials?
No information in HMIRS. Hazardous material unknown.
What is the ESD classification of nsn 6685006897421?
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:
BA
Cond. Code:
2
Status:
A

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