NSN 3950-01-666-0552, 3950016660552
SUPPORT,WINCH

Federal Supply Classification: FSC 3950 - Winches, Hoists, Cranes, and Derricks
National Item Identification Number: NIIN 016660552
Codification Country: United States
Item Name Code: INC 16921
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: (N) There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials.

Availability: Readily Available Qualified Suppliers: Currently qualifying suppliers

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DLMS^® Summary

National Stock Number 3950-01-666-0552

National Stock Number (NSN) 3950-01-666-0552, or NIIN 016660552, (support,winch) was assigned August 22, 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 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, 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 a year. There have been 4 contracts issued for this part number, with 4 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: SPE8EE24P0516, SPE8EE24V0174, SPE8EE24P0211, SPE8EE21P0272. The total value of the awarded contracts has been US$ 532,423.00.

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 Jan 01, 2019, 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) 16921. [A STRUCTURAL FRAMEWORK DESIGNED TO SUPPORT A WINCH.]. 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 3950016660552 does not contain precious metals.

This NSN is associated to Schedule B 8431100090: parts of winches, capstans and jacks. The Schedule B End Use is listed as materials handling equipment. NAICS classification category 333120: construction machinery manufacturing.

This information was last updated on Aug 01, 2025.