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Pyrometer And Thermocoupl Tester

NSN: 6685-00-005-1288 | Model: K150-4C

An instrument used for checking thermocouples and pyrometers. It is designed with a compensator which can be adjusted so that the measured electromotive force, corrected to a standard reference temperature, can be read directly from a scale. It can be used as a ph meter. Excludes resistor, variable, wire wound; resistor, variable, nonwire wound; meter, hydrogen ion test; and pyrometer (as modified).


110 vac, 60 hz, single phase, 4 channel read out; calibrates thermocouples

NSN Properties and Flags
NATO Stock Number
Overall Length
11 inches
Overall Height
11.625 inches
Overall Width
6.375 inches
Installation Design
Measurement Type
Millivolt circuit
Special Features
110 vac, 60 hz, single phase, 4 channel read out; calibrates thermocouples

Pricing and Availability

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NSN 6685-00-005-1288 Datasheet

Supply Class (FSC):
Humidity Measuring And Controlling Instruments Temperature Pressure
Cross Reference:
  • K150-4C
  • K150-4C
Cage Codes:
  • Ge Kaye Instruments Inc (CAGE 17466)
  • Ge Infrastructure Sensing, Inc. (CAGE 27970)
Schedule B & Trade:
  • Schedule B: 9033000000 (NAICS 334513)

    Parts and accessories (not specified or included elsewhere in this chapter) for machines, appliances, instruments or apparatus of chapter 90

  • SITC: 87490

    Parts and accessories for machines, appliances, instruments and apparatus, n.E.S., measuring, checking, analysing or controlling, n.E.S.

  • End Use: 21160

    Measuring, testing, control instruments


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.


A - Item does not contain precious metal.


A - No known electrostatic discharge (esd) or electromagnetic interference (emi) sensitivity.


- Represents items with no adp components


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

Questions & Answers:

What are the historical prices recorded for this stock number?
No pre-dated pricing for this NSN could be found.
Does NSN 6685-00-005-1288 have a shelf life?
No. There is no shelf life applicable for this NSN.
What NATO entities are users of this NSN?
What is the NIIN of NSN 6685-00-005-1288?
000051288 or 00-005-1288
Does NSN 6685-00-005-1288 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 6685-00-005-1288?
No solicitations for this NSN.
When was this national stock number assigned to the federal catalog?
Jun 14, 1972