NSN 4320-01-019-9897, 4320010199897
SPOOL AND SLEEVE AY

Federal Supply Classification: FSC 4320 - Power and Hand Pumps
National Item Identification Number: NIIN 010199897
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 4320-01-019-9897

National Stock Number (NSN) 4320-01-019-9897, or NIIN 010199897, (spool and sleeve ay) was assigned April 25, 1976 in the Federal Logistics Information System (FLIS). 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 2 suppliers. Today, 2 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, only one supplier is deemed design controlled or valid supply parts.

This part number has been procured by the US Government within the last year, but shows no recent (last 90 days) procurement activity. There have been 12 contracts issued for this part number, with 13 awards given. The US Government has only awarded those contracts to one supplier. The last contract numbers awarded were: SPE4A625F089G, SPE4A624F279T, SPE4A524F6155, SPE4A524F2315, SPE4A523F5265. The total value of the awarded contracts has been US$ 312,318.98.

This NSN is somewhat common among different platforms, belonging to 2 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 Aug 02, 2011, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. The data needed to produce this item from additional sources is not physically available. Valid AMCs: 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 4320010199897 contains an unknown precious metal.

This information was last updated on Aug 01, 2025.