National Stock Number (NSN) 3020-00-451-9199, or NIIN 004519199, (pulley,groove) was assigned June 4, 1971 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There is only one manufacturer part number associated with this NSN. None of the associated 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, 3 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 19 contracts issued for this part number, with 19 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 4 different suppliers. The last contract numbers awarded were: SPE7L522V3235, SPE7L220P0742, SPE7L219P1192, SPE7L518V2048, SPE7L118V5701. The total value of the awarded contracts has been US$ 249,949.94.
This NSN is somewhat common among different platforms, belonging to 3 different weapons systems.
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 Dec 05, 2013, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) The Government has unlimited rights to the technical data, and the data package is complete. Valid AMCs: 1 and 2.
This NSN is assigned to Item Name Code (INC) 08109. [A PULLEY WITH ONE OR MORE GROOVED FACES OR RIMS OF THE SAME DIAMETER. FOR PULLEYS ENCASED IN A SHELL OR FRAME, SEE BLOCK, TACKLE. FOR ITEMS SPECIFICALLY DESIGNED FOR AVIATION, SEE PULLEY(1), GROOVE, AVIATION.]. 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 3020004519199 does not contain precious metals.
This NSN is associated to Schedule B 8487900080: machinery parts not containing electrical features, and not specified or included elsewhere in chapter 84, except ships' propellers. The Schedule B End Use is listed as industrial machines, other. NAICS classification category 333999: all other miscellaneous general purpose machinery manufacturing.
This information was last updated on Aug 01, 2025.