NSN 3950-01-718-1112, 3950017181112
TENSIONER PULLEY ASSEMBLY

Federal Supply Classification: FSC 3950 - Winches, Hoists, Cranes, and Derricks
National Item Identification Number: NIIN 017181112
Codification Country: United States
Item Name Code: INC 52049
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 3950-01-718-1112

National Stock Number (NSN) 3950-01-718-1112, or NIIN 017181112, (tensioner pulley assembly) was assigned February 12, 2024 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 2 suppliers. Today, 2 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 5 years.

This NSN is assigned to Item Name Code (INC) 52049. [A DEVICE DESIGNED TO MAINTAIN THE TAUTNESS OF A CABLE, ROPE, OR THE LIKE BY APPLYING PRESSURE TO ONE OR MORE PULLEYS OVER WHICH IT PASSES.]. 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 3950017181112 does not contain precious metals.

This information was last updated on Jul 01, 2025.

Technical Characteristics

PART NAME ASSIGNED BY CONTROLLING AGENCY: (CXCY) IDLER PULLEY
SPECIAL FEATURES: (FEAT) STEAM TREATED COPPER STEEL MPIF SPEC FC-208-40; SURFACE FINISH E-COAT PER RQ-0003; 722.8 GRAMS; BEARING ENHANCED POLYACRYLIC WEAL AND SYNTHETIC BASE HIGH TEMPERATURE GREASE; GROVE PROFILE PER SAE J1469.