NSN 6685-01-534-2644, 6685015342644
MONITOR,THERMAL ENVIRONMENT

Federal Supply Classification: FSC 6685 - Pressure, Temperature, and Humidity Measuring and Controlling Instruments
National Item Identification Number: NIIN 015342644
Codification Country: United States
Item Name Code: INC 77777
Criticality: (X) This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Hazardous Material Indicator Code: (P) There is no information in the HMIRS; however, the NSN is in an FSC in Table II of Federal Standard 313 and an MSDS may be required by the user. The requirement for an MSDS is dependent on a hazard determination of the supplier or the intended end use of the product.

Availability: Readily Available Qualified Suppliers: Currently qualifying suppliers

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DLMS^® Summary

National Stock Number 6685-01-534-2644

National Stock Number (NSN) 6685-01-534-2644, or NIIN 015342644, (monitor,thermal environment) was assigned October 14, 2005 in the Federal Logistics Information System (FLIS). This NSN does not replace any other NSNs.

There are 4 manufacturer part numbers associated with this NSN. One of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by one supplier. Today, there are no suppliers listed as an Active supplier for this NSN. Of the active suppliers, there are no suppliers that are deemed design controlled or valid supply parts.

This part number has not been procured by the US Government in over 5 years, with the most recent procurement date of Jul 27, 2015. There have been 5 contracts issued for this part number, with 5 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 3 different suppliers. The last contract numbers awarded were: SPE2DH15M1424, SPE2DH15M1424, SPE2DH15M1424, SPM2DH13V1617, SPM7M012M7013. The total value of the awarded contracts has been US$ 36,788.01.

There has been a small amount of demand for this national stock number. The demand for this NSN originated from less than 5 countries. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Dec 02, 2006, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. This part is a commercial/non-developmental/off-the-shelf-item. Valid AMCs: 1, 2, 3, 4 and 5.

This NSN is assigned to Item Name Code (INC) 77777. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. There is no information in the HMIRS; however, the NSN is in an FSC in Table II of Federal Standard 313 and an MSDS may be required by the user. The requirement for an MSDS is dependent on a hazard determination of the supplier or the intended end use of the product. NSN 6685015342644 does not contain precious metals.

This information was last updated on Aug 01, 2025.

Technical Characteristics

PART NAME ASSIGNED BY CONTROLLING AGENCY: (CXCY) MONITOR THERMAL ENVIRONMENT QUESTEMP 36
SPECIAL FEATURES: (FEAT) FURTHER SIMPLIFIES HEAT STRESS MANAGMENT EFFORTS BY PROVIDING USERS WITH REALTIME GUIDANCE ON STAY TIMES AND WORK/REST REGIMENTS; GUIDANCE IS BASED ON SCREENING CRITERIA FOR HEAT STRESS AS DEFINED IN THE ACGIH TLV HANDBOOK, US NAVY PHEL CHARTS AND EPRI ACTION LIMITS; CAN BE USED AS AN INDOOR THERMAL COMFORT MONITOR USING THE AIR VELOCITY PROBE, TEMPERATURE AND RH SENSOR READINGS SIMULTANEOUSLY; MEASUREMENT RANGES: TEMPERATURE -5 TO 100 DEGREE C, RELATIVE HUMIDITY 0 TO 100%, AIR VELOCITY 0 TO 20 M/S
SPECIAL FEATURES: (FEAT) 7FURTHER SIMPLIFIES HEAT STRESS MANAGMENT EFFORTS BY PROVIDING USERS WITH REALTIME GUIDANCE ON STAY TIMES AND WORK/REST REGIMENTS; GUIDANCE IS BASED ON SCREENING CRITERIA FOR HEAT STRESS AS DEFINED IN THE ACGIH TLV HANDBOOK, US NAVY PHEL CHARTS AND EPRI ACTION LIMITS; CAN BE USED AS AN INDOOR THERMAL COMFORT MONITOR USING THE AIR VELOCITY PROBE, TEMPERATURE AND RH SENSOR READINGS SIMULTANEOUSLY; MEASUREMENT RANGES: TEMPERATURE -5 TO 100 DEGREE C, RELATIVE HUMIDITY 0 TO 100%, AIR VELOCITY 0 TO 20 M/S