NSN 3950-01-167-3909, 3950011673909
DRUM,CLUTCH

Federal Supply Classification: FSC 3950 - Winches, Hoists, Cranes, and Derricks
National Item Identification Number: NIIN 011673909
Codification Country: United States
Item Name Code: INC 77777
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 3950-01-167-3909

National Stock Number (NSN) 3950-01-167-3909, or NIIN 011673909, (drum,clutch) was assigned November 27, 1983 in the Federal Logistics Information System (FLIS). This NSN does not replace any other NSNs.

There is only one manufacturer part number associated with this NSN. One 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 been procured by the US Government within the last year, but shows no recent (last 90 days) procurement activity. There have been 25 contracts issued for this part number, with 25 awards given. There is heavy competition for this NSN. The US Government has awarded contracts to 11 different suppliers. The last contract numbers awarded were: SPE8EE25V0501, SPE8EE24V0529, SPE8EE24P0454, SPE8EE24P0454, SPE8EE24P0195. The total value of the awarded contracts has been US$ 2,193,650.70.

This NSN is somewhat common among different platforms, belonging to 5 different weapons systems.

There has been a moderate 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$ 72,161. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on May 02, 2006, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) Acquisition of this part is restricted to source(s) specified on "Source Control", "Altered Item" or "Selected Item" drawings/documents. Valid AMCs: 1, 2, 3, 4 and 5.

This NSN is assigned to Item Name Code (INC) 77777. 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 3950011673909 does not contain precious metals.

This information was last updated on Aug 01, 2025.

Technical Characteristics

GENERAL CHARACTERISTICS ITEM DESCRIPTION: (TEXT) MATERIAL CAST BRONZE,QQ-B-671,CL 3,HT TEMPER ANNEAL PER MIL-B-24480 PARA 3.3,HEIGHT 7.750 IN.,DIA OUTSIDE 18.000 IN.