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Dial Indicating Pressure Gage NSN 6685-00-925-1978

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 6685-00-925-1978 NSN: 6685-00-925-1978

Features and Characteristics

Overall Depth
2.500 inches
Bolt Circle Diameter
4.500 inches
Mounting Hole Diameter
0.219 inches
Mounting Hole Quantity
3
Overall Diameter
4.750 inches
Case Material
Aluminum
Case Surface Treatment
Enamel
End Application
Chilled water a/c system; l.P. Compressors
Graduation Unit
0.25 pounds per square inch
Actuation Type
Single bourdon tube
Adjustability
Nonadjustable
Scale Range
+0.0/+15.0 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
0.250 pounds per square inch
Connection Type
External
Mounting Method
Flush panel
Scale Accuracy
5 pct entire range
Actuating Element Material
Nickel copper alloy
Scale Inscription/background Color
Black figures on white background
Connection Location
Lower
Protective Crystal Material
Plastic
Connection Size
0.250 in. Npt dia
Connector Type Vent
Not provided
FSC
6685 Humidity Measuring And Controlling Instruments Temperature Pressure
NIIN
009251978
NSN
6685009251978

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
35-1246P33LXWDF004
Cage Code:
38056
Status:
A
MSDS:
Part Number:
MIL-I-18997/1
Cage Code:
81349
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 6685-00-925-1978
What are the manufacturers of nsn 6685009251978?
Does this nsn 6685009251978 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 6685009251978
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 6685009251978 contain any precious metals?
Precious metal content is unknown.
Does nsn 6685009251978 contain any hazardous materials?
No information in HMIRS. Hazardous material unknown.
What is the ESD classification of nsn 6685009251978?
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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