NSN 6635-01-588-6014, 6635015886014
PH BUFFER,4.01

Federal Supply Classification: FSC 6635 - Physical Properties Testing and Inspection
National Item Identification Number: NIIN 015886014
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 6635-01-588-6014

National Stock Number (NSN) 6635-01-588-6014, or NIIN 015886014, (ph buffer,4.01) was assigned September 27, 2010 in the Federal Logistics Information System (FLIS). This NSN does not replace any other NSNs.

There are 3 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 a year. There have been 12 contracts issued for this part number, with 12 awards given. There is moderate competition for this NSN. The US Government has awarded contracts to 6 different suppliers. The last contract numbers awarded were: SPE4A624V9206, SPE4A624V3729, SPE4A622P2576, SPE4A621P5879, SPE4A620PP017. The total value of the awarded contracts has been US$ 7,446.17.

This NSN is somewhat common among different platforms, belonging to 4 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. The 24 month forecast from the US Government for this part number has high volatility, with an estimated forecasted value of US$ 434. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on May 29, 2019, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) The Government does not have adequate data, lacks rights to data, or both, needed to purchase this part from additional sources. 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 6635015886014 does not contain precious metals.

This information was last updated on Aug 01, 2025.