NSN 6685-00-993-9780, 6685009939780
Cancelled -> Replaced by 6685009939781

Federal Supply Classification: FSC 6685 - Pressure, Temperature, and Humidity Measuring and Controlling Instruments
National Item Identification Number: NIIN 009939780
Codification Country: United States
Item Name Code: INC 07343
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: In Stock Qualified Suppliers: Currently qualifying suppliers

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DLMS^® Summary

National Stock Number 6685-00-993-9780

National Stock Number (NSN) 6685-00-993-9780, or NIIN 009939780, (pyrometer,indicating) was assigned January 1, 1962 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 2 stock numbers: 6685009939781, 6685009580113.

There are 2 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.

Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Feb 02, 2005, this NSN's acquisition method was noted as: Not established. Not established.

This NSN is assigned to Item Name Code (INC) 07343. [A PYROMETER WHICH UTILIZES THE EFFECT OF TEMPERATURE VARIATION TO CHANGE THE CHARACTERISTICS OF AN ELECTRICAL CONSTANT AND THIS DIFFERENCE OF ELECTRICAL POTENTIAL IS SHOWN BY THE POSITION OF A POINTER RELATIVE TO A GRADUATED SCALE.]. 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 6685009939780 does not contain precious metals.

This NSN is associated to Schedule B 9025194000: pyrometers not combined with other instruments. The Schedule B End Use is listed as measuring, testing, control instruments. NAICS classification category 334513: instruments and related products manufacturing for measuring, displaying, and controlling industrial process variables.

This information was last updated on Aug 01, 2025.

Technical Characteristics

REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS: (ZZZY) TECHNICAL DIFFERENTIATING CHARACTERISTICS,A. 4-1/2 IN. PLASTIC FRONT,B. 10 OHM RESISTOR,C. 0 TO 2000 DEG F RANGE,D. FOR USE ON EMERGENCY AIR-FED INCINERATOR,MODEL NO. 1,E. OPERATING DATA,/1/ 208 V,50/60 CYCLES,AC,3 PHASE,4-WIRE,/2/ 220-380 V,50/60 CYCLES,AC,3 PHASE,4-WIRE