National Stock Number
4310-01-058-3673
National Stock Number (NSN) 4310-01-058-3673, or NIIN 010583673, (valve,reed) was assigned March 27, 1978 in the Federal Logistics Information System (FLIS). NIIN 010583673 was cancelled on January 2, 2014, with a cancelled status of "Item is Cancelled - USE." This NSN was replaced by NSN 4310014912056. 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 2 suppliers. 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.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Aug 02, 2020, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. This part requires engineering source approval by the design control activity in order to maintain the quality of the part. An alternate source must qualify in accordance with the design control activity's procedures, as approved by the cognizant Government engineering activity. Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 37314. [A METALLIC DEVICE WITH COILED SPRING(S) OR FLEXIBLE FINGER(S) DESIGNED TO FLUCTUATE OFF AND ON A SEALED SURFACE. MAY CONTAIN A SEAT VALVE, VALVE GUARD, SCREWS AND THE LIKE. REPLACES POPPET VALVE IN SMALL COMPRESSORS AND TWO CYCLE ENGINES.]. 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 4310010583673 contains an unknown precious metal.
This information was last updated on May 01, 2025.