National Stock Number
6740-00-317-4601
National Stock Number (NSN) 6740-00-317-4601, or NIIN 003174601, (temperature control unit,photogr) was assigned January 1, 1961 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 2 manufacturer part numbers associated with this NSN. None of the associated part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by one supplier. Today, one supplier is listed as an Active supplier for this NSN. Of the active suppliers, only one supplier is deemed design controlled or valid supply parts.
This part number has not been procured by the US Government in over 5 years.
This NSN is unique to one weapons system.
This NSN is assigned to Item Name Code (INC) 18933. [A CABINET TYPE COOLING AND/OR HEATING UNIT, THERMOSTATICALLY CONTROLLED, DESIGNED TO MAINTAIN PROPER PHOTOGRAPHIC PROCESSING TEMPERATURES OF WATER BATH AND/OR CHEMICAL SOLUTIONS. THE CABINET MAY CONTAIN A WATER TANK INTO WHICH PROCESSING TRAYS OR TANKS MAY BE IMMERSED. FALSE BOTTOM TRAYS THROUGH WHICH WATER IS CIRCULATED MAY ALSO BE INCLUDED.]. 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 6740003174601 contains an unknown precious metal.
This NSN is associated to Schedule B 9002119000: objective lenses and parts and accessories thereof for cameras or photographic enlargers or reducers, nesoi. The Schedule B End Use is listed as photo, service industry machinery. NAICS classification category 333314: optical instrument and lens manufacturing.
This information was last updated on Jul 01, 2025.