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Dial Indicating Compound Pressure-vacuum-temperature Gage

NSN: 6685-00-601-3973 | Model: C1780

A combination instrument designed to measure and indicate temperature and pressure or temperature and vacuum, on one dial, having a divided pressure and vacuum scale, and a separate temperature scale. Excludes gage, compound pressure-vacuum, dial indicating; gage, altitude and pressure, dial indicating; gage, altitude and temperature, dial indicating and gage, pressure, dial indicating.

NSN Properties and Flags
NATO Stock Number
6685-00-601-3973
DEMIL
NO
Overall Depth
1.090 inches
Overall Diameter
2.710 inches
Case Material
Steel
Case Surface Treatment
Enamel
Graduation Unit
20.0 degrees fahrenheit and 30.0 inches of mercury and 25.0 pounds per square inch
Actuation Type
Single bourdon tube
Adjustability
Adjustable
Scale Range
-80.0 to 116.0 degrees fahrenheit and +0.0 to 30.0 inches of mercury and +0.0 to 150.0 pounds pressure per square inch
Scale Name
Pressure-vacuum and temperature
Dial Size
2-1/2 in. Dia
Connection Quantity
1
Pointer Color
Black
Pointer Type
Indicating
Scale Marking
Dial marked press; vac; r12; r22; r502 fht
Scale Type
Multiple
Scale Smallest Increment
5.0 degrees fahrenheit and 5.0 inches of mercury and 5.0 pounds per square inch
Connection Type
External
Mounting Method
Rigid stem
Scale Accuracy
2 pct middle half; 3 pct remainder of range; 2 pct middle half; 3 pct remainder range; 2 pct middle half; 3 pct remainder of range; 2 pct middle half; 3 pct remainder of range; 2 pct middle half; 3 pct remainder of range
Actuating Element Material
Phosphor bronze
Scale Inscription/background Color
Black figures on white background; black figures on white background; red figures on white background; red figures on white background
Scale Name For Which Pointer Is Designed
Pressure-vacuum and temperature
Connection Location
Lower
Bezel Type
Snap-on
Protective Crystal Material
Glass
Connection Size
0.125 in. Npt dia
Connector Type Vent
Not provided
Material
Steel
Material
Steel
Surface Treatment
Enamel
Surface Treatment
Enamel

Pricing and Availability

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NSN 6685-00-601-3973 Datasheet

Supply Class (FSC):
Humidity Measuring And Controlling Instruments Temperature Pressure
Cross Reference:
  • C1780
  • 88703
  • 505ST
  • 088703
  • 50756
Cage Codes:
  • Ametek, Inc. (CAGE 61349)
Replacements:
  • 6685-00-601-3973 replaces 6685-00-019-0549
  • 6685-00-601-3973 replaces 6685-00-753-2275
  • 6685-00-601-3973 replaces 6685-00-864-4539
  • 6685-00-601-3973 replaces 6685-01-011-6830
Schedule B & Trade:
  • Schedule B: 9026200000 (NAICS 334513)

    Instruments and apparatus for measuring or checking pressure

  • SITC: 87435

    Instruments and apparatus for measuring or checking the pressure of liquids or gases, n.E.S. (not supply etc. Meters and regulating etc. Apparatus)

  • End Use: 21160

    Measuring, testing, control instruments

Identification:
HMIC

P - Indicates there is no information in the hmirs. The nsn is in a fsc in table ii of federal standard 313 and a msds may be required by the user. The requirement for a msds is dependent on a hazard determination of the supplier or the intended end use of item.

PMIC

A - Item does not contain precious metal.

CRITL

- The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.

Freight Information:
  • NMFC:

    121570 - Gages air liquid level pressure

  • WCC:

    653 - Musical instruments

  • SHC:

    9 - Other or no special handling required (sh)

  • ADC:

    A - Shipment is not a consolidation and does not exceed 84 inches in any dimension.

  • LTL:

    J - 100.0

  • ACC:

    V - Trailers, vehicles, machinery, shop and warehouse equipment and supplies including special tools and equipment, ground servicing

  • TCC:

    Z - No special type of cargo code applicable

NSN Management Codes:
  • SOS
    Sms
  • AAC
    J
  • Quantity per pack
    1
  • Unit of Measure
    Ea
  • Shelf Life
    N/A
  • Classification Control
    U
  • MGMT_CTL
    E2200x-
  • Repariability
    This is a nonreparable item. if condemned or economically unserviceable, then dispose at the level authorized replace the item.

Questions & Answers:
What are the historical prices recorded for this stock number?
Historical data shows pricing from $86.51 to $144.18..
Does NSN 6685-00-601-3973 have a shelf life?
No. There is no shelf life applicable for this NSN.
What NATO entities are users of this NSN?
Department Of The Army, Department Of The Air Force, U.s. Marine Corps, Department Of The Navy, U.s. Coast Guard, Greece, and Turkey
What is the NIIN of NSN 6685-00-601-3973?
006013973 or 00-601-3973
Does NSN 6685-00-601-3973 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 6685-00-601-3973?
No solicitations for this NSN.
When was this national stock number assigned to the federal catalog?
Jan 01, 1963