National Stock Number (NSN) 3950-00-404-5476, or NIIN 004045476, (winch,drum,hand operated) was assigned August 1, 1969 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. 2 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 3 suppliers. Today, 3 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 2 suppliers are 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 9 contracts issued for this part number, with 9 awards given. There is moderate competition for this NSN. The US Government has awarded contracts to 6 different suppliers. The last contract numbers awarded were: SPE8EE23P0120, SPE8EE19V0928, SPE8EE17V0585, SPM8EE12V0447, SPM8EE12V0304. The total value of the awarded contracts has been US$ 129,216.11.
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. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Apr 25, 2008, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) The annual buy value of this part falls below the screening threshold of $10,000 but it has been screened for known source(s). (NOTE: This code shall not be used when screening parts entering the inventory. It shall not be assigned in preference to or supersede any other AMSC.) Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 08654. [A MANUALLY OPERATED MECHANICAL DEVICE HAVING A HORIZONTALLY MOUNTED REVOLVABLE DRUM(S) ON THE PERIPHERY OF WHICH THE END OF A ROPE, LINE, STRAP OR CHAIN IS SECURED FOR EXERTING A RAISING, LOWERING, OR PULLING MOTION. THE DEVICE MAY ALSO CONTAIN A REVOLVABLE HEAD(S) OR SPOOL(S) (GYPSY HEAD) AROUND WHICH ONE OR MORE TURNS MUST BE TAKEN FOR EXERTING PULLING POWER. SEE ALSO WINCH, GYPSY.]. 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 3950004045476 does not contain precious metals.
This NSN is associated to Schedule B 8425390100: winches and capstans not powered by electric motor. The Schedule B End Use is listed as materials handling equipment. NAICS classification category 333923: overhead traveling crane, hoist, and monorail system manufacturing.
This information was last updated on Aug 01, 2025.