National Stock Number
4520-01-660-8564
National Stock Number (NSN) 4520-01-660-8564, or NIIN 016608564, (adapter,air conditioning-heating) was assigned February 7, 2017 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are no manufacturer part numbers associated to this NSN.
This part number has not been procured by the US Government in over a year. There have been 5 contracts issued for this part number, with 4 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 2 different suppliers. The last contract numbers awarded were: SPE8E823P0524, SPE8E822V1594, SPE8E822V1584, SPE8E822V1317, SPE8E822P0538. The total value of the awarded contracts has been US$ 13,527.80.
This NSN is unique to one weapons system.
There has been a small amount of demand for this national stock number. The demand for this NSN originated from less than 5 countries. The 24 month forecast from the US Government for this part number has high volatility, with an estimated forecasted value of US$ 21,254. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Jun 29, 2017, this NSN's acquisition method was noted as: Not established. Not established.
This NSN is assigned to Item Name Code (INC) 33667. [A FITTING, TUBULAR AT ONE END AND OTHER THAN TUBULAR AT THE OTHER END. IT IS USED TO CONNECT TWO SECTIONS OF AIR CONDITIONING-HEATING PIPE OR TO CONNECT AIR CONDITIONING-HEATING PIPE TO AIR CONDITIONING-HEATING UNITS.]. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 4520016608564 does not contain precious metals.
This NSN is associated to Schedule B 8415909000: parts, nesoi, of air conditioning machines. The Schedule B End Use is listed as industrial machines, other. NAICS classification category 333415: air-conditioning and warm air heating equipment and commercial and industrial refrigeration equipment manufacturing.
This information was last updated on Jul 01, 2025.