National Stock Number
5120-00-034-3780
National Stock Number (NSN) 5120-00-034-3780, or NIIN 000343780, (compressor,valve spring) was assigned January 1, 1961 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 2 stock numbers: 5120001445625, 5120008770227.
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 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 5 years.
There has been very little 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 01, 2020, this NSN's acquisition method was noted as: Not established. Not established.
This NSN is assigned to Item Name Code (INC) 19026. [A HAND TOOL DESIGNED TO COMPRESS VALVE SPRINGS ON ENGINES BY COMPRESSING TOGETHER BOTH ENDS OF THE SPRING. SEE ALSO LIFTER, VALVE SPRING.]. 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 5120000343780 does not contain precious metals.
This NSN is associated to Schedule B 8205599000: handtools (including glass cutters) and parts thereof, nesoi, of basemetal. The Schedule B End Use is listed as photo, service industry machinery.
This information was last updated on Jul 01, 2025.