NSN 4320-01-070-3789, 4320010703789
Cancelled -> Replaced by 4320010082319

Federal Supply Classification: FSC 4320 - Power and Hand Pumps
National Item Identification Number: NIIN 010703789
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 4320-01-070-3789

National Stock Number (NSN) 4320-01-070-3789, or NIIN 010703789, (pump,fluid) was assigned January 11, 1979 in the Federal Logistics Information System (FLIS). This NSN replaces 1 stock number, 4320010082319.

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 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.

Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Apr 02, 1991, 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) 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 4320010703789 does not contain precious metals.

This information was last updated on Aug 01, 2025.

Technical Characteristics

GENERAL CHARACTERISTICS ITEM DESCRIPTION: (TEXT) HOUSING,CAST IRON,RETAING RING,STEEL,PACKINGPERFORMED,RUBBER,COVER GASKET,PLASTIC;DEMENSIONS - 7.562 IN. LG TO THE END OF SHAFT;4.625 IN. W;6.000 IN H;MOUNTS TO ELECTRICAL MOTOR HOUSING,TO THE END OF BELL TYPE WITH INTERNALCLOSE COUPLING TO ELECTRICAL MOTOR HOUSING;CIRCULATES OIL THAT LUBRICATES THE AZIMUTH DATA BOX ASSEMBLY. PUMP CAPACITY 9 GALLONS PER MINUTE AT 1800 RPM.BALL BEARING CONSTRUCTION WITH THE CRESCENT AND IDLER GEAR TYPE. MECHANICAL FACE TYPE SEALS CAPABLE OF HANDLING PRESSURES OF 250 PSI AT 1725 RPM. 100 PSI PUMPING PRESSURE CONTINUOUS SERVICE