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Dial Indicating Pressure Gage NSN 6685-01-368-6676

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 6685-01-368-6676 NSN: 6685-01-368-6676

Features and Characteristics

Overall Depth
1.130 inches
Overall Diameter
1.620 inches
Case Material
Aluminum alloy, qq-a-225/5
Case Surface Treatment
Black oxide coated
End Application
Asfsi 2 man portable oxygen systems and asfsi 6 man portable prebreather system
Graduation Unit
1000.0 pounds per square inch
Actuation Type
Bourdon tube
Adjustability
Nonadjustable
Scale Range
+0.0/+3000.0 pounds per square inch
Scale Name
Pounds pressure and oxygen
Dial Size
1 5/8 in dia
Connection Quantity
1
Pointer Color
Black
Pointer Type
Indicating
Scale Marking
Aviators breathing oxygen only
Scale Type
Dial
Scale Smallest Increment
100.0 pounds per square inch
Connection Type
External
Mounting Method
Rigid stem
Scale Accuracy
2.5 pct
Actuating Element Material
Nickel-chromium-iron alloy, mil-t-7840
Scale Inscription/background Color
Black characters on white background, 0-200 psi red band low cylinder pressure, 2100-3000 psi red band excessive cylinder pressure
Connection Location
Back, center
Protective Crystal Material
Plastic, acrylic
Connection Size
0.125 in npt
Mounting Connection Location
Back, center
Connector Type Vent
Not provided
Criticality Code Justification
Feat
Special Features
Operating temperature range -65/160 degrees f.; shock resistant to 100g; case relieves pressure to atmosphere if bourdon tube ruptures; item is oxygen cleaned
FSC
6685 Humidity Measuring And Controlling Instruments Temperature Pressure
NIIN
013686676
NSN
6685013686676

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
9025001
Cage Code:
31441
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 6685-01-368-6676
What are the manufacturers of nsn 6685013686676?
Does this nsn 6685013686676 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 6685013686676
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 6685013686676 contain any precious metals?
No precious metal content.
Does nsn 6685013686676 contain any hazardous materials?
No information in HMIRS. Hazardous material unknown.
What is the ESD classification of nsn 6685013686676?
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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