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NSN 4320-01-033-4593, 4320010334593
GEAR ROTOR SET,ROTARY PUMP

Federal Supply Classification
FSC 4320 - Power and Hand Pumps
National Item Identification Number
NIIN 010334593
Codification Country
United States
Item Name Code
INC 61764
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 4320-01-033-4593

National Stock Number (NSN) 4320-01-033-4593, or NIIN 010334593, (gear rotor set,rotary pump) was assigned January 7, 1977 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. 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 2 contracts issued for this part number, with 2 awards given. The US Government has only awarded those contracts to one supplier. The last contract numbers awarded were: SPE7M024F0018, SPE7M222F0298. The total value of the awarded contracts has been US$ 5,630.00.

This NSN is somewhat common among different platforms, belonging to 4 different weapons systems.

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 May 21, 2008, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) 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) 61764. [A PUMP ROTOR OR IMPELLER CONSISTING OF TWO GEARS, THE OUTER GEAR HAVING INTERNAL TEETH (LOBES) AND THE INNER GEAR HAVING EXTERNAL TEETH (LOBES). THE INNER GEAR HAS ONE OR TWO TEETH LESS THAN THE OUTER GEAR, AND IS MOUNTED TO MESH ECCENTRIC WITH THE OUTER GEAR. THE SPACE BETWEEN THE TEETH OF THE TWO MESHING GEARS CREATES A POSITIVE DISPLACEMENT OF FLUIDS FROM THE INLET PORT TO THE OUTLET PORT OF THE ROTARY PUMP.]. 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 4320010334593 does not contain precious metals.

This NSN is associated to Schedule B 8483409000: gears and gearing, other than toothed wheels, chain sprockets and other transmission elements entered separately. The Schedule B End Use is listed as industrial machines, other. NAICS classification category 333612: speed changer, industrial high-speed drive, and gear manufacturing.

This information was last updated on .


Technical Characteristics

FSC APPLICATION DATA
(ZZZV) AIRCRAFT HYDRAULIC VACUUM DEICING SYSTEMS
SPECIAL FEATURES
(FEAT) C/O 1 GEAR AND 1 ROTOR MACHINED IN SETS;GEAR HAS 6 TEETH,ROTOR HAS 7 INTERNAL TEETH,GEAR INSIDE DIA.0.8750 WITH 0.1885 WIDE KEYWAY 0.965 DEEP FROM BOTTOM OF BORE;ROTOR OUTSIDE DIA.2.7485;ROTOR AND GEAR THICKNESS 0.4570;EXTERIOR FINISHES TO BE 16 MICROINCHES;MATERIAL AISI 8620,NITRIDED,CARBURIZED AND HARDENED,80 MINIMUMRA

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