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Electrical Resistance Temperature-humidity Indicator

NSN: 6685-01-149-2775 | Model: A27849-1

An indicator which indicates temperature and humidity by means of measuring the electrical resistance of remotely located temperature and humidity elements. The resistance of the elements varies with changes in temperature and humidity respectively. Does not include resistance humidity or temperature elements.

NSN Properties and Flags
NATO Stock Number
End Application
Radar, series

Inventory Check

The last inventory check on this NSN was done on 10/08/2021. Due to rapid changes in inventory this may not be the current stock qty.

  • New Surplus: 1

Pricing and Availability

Send us a request for quote using the form below. Our team will contact you with an up to date pricing and availability quote ASAP.

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NSN 6685-01-149-2775 Datasheet

Supply Class (FSC):
Humidity Measuring And Controlling Instruments Temperature Pressure
Cross Reference:
  • A27849-1
  • 0027849001
  • A27849-1
Cage Codes:
  • Spx Corporation (CAGE 08441)
  • Spx Corporation (CAGE 93929)
Schedule B & Trade:
  • Schedule B: 9025900000 (NAICS 334519)

    Parts and accessories for hydrometers and similar floating instruments, therometers, pyrometers, barometers, hygrometers and psychrometers

  • SITC: 87456

    Parts and accessories for hydrometers and similar floating instruments, thermometers, pyrometers, barometers, hygrometers and psychrometers

  • End Use: 21610

    Medicinal equipment


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.


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

Freight Information:
  • NMFC:

    058360 - Thermometers, o/than clinical

  • WCC:

    657 - Instruments, electric meter

  • 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.

  • ACC:

    N - Ship's parts, navy

  • LTL:

    W - Rating variable

  • TCC:

    Z - No special type of cargo code applicable

NSN Management Codes:
  • SOS
  • AAC
  • Quantity per pack
  • Unit of Measure
  • Shelf Life
  • Classification Control
  • Repariability

Questions & Answers:

What are the historical prices recorded for this stock number?
Historical data shows pricing from $5,065.82 to $8,443.04..
Does NSN 6685-01-149-2775 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 Navy, Poland, Spain, Australia, Republic Of Korea, and Turkey
What is the NIIN of NSN 6685-01-149-2775?
011492775 or 01-149-2775
Does NSN 6685-01-149-2775 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 6685-01-149-2775?
No solicitations for this NSN.
When was this national stock number assigned to the federal catalog?
Mar 18, 1983