790D353

View detailed technical data, stock status, and sourcing information for: 790D353
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Federal Supply Group

Pumps and Compressors

Federal Supply Classification

4320 Power and Hand Pumps

National Stock Number

4320-01-209-1909

Item Name Code

17988

Assigment Date

05/24/1985 (41 years ago)

A cylindrical item with or without flange(s), designed to be inserted in a pump casing or secured to the impeller of a centrifugal pump. It is used for the purpose of providing a close running clearance between the impeller and casing in order to prevent or overcome leakage due to erosion. It may also be used as a diffuser ring in the suction and discharge throats of valves.

1 stage quantity, 1 intake connection quantity, air prime mover cooling medium, 1 prime mover quantity, round flange intake connection type

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Prime Mover Quantity: 1
Prime Mover Cooling Medium: air
Stage Quantity: 1
Intake Connection Quantity: 1
Intake Connection Type: round flange
Discharge Connection Quantity: 1
Discharge Connection Type: round flange
Current Type: ac
Environmental Protection: dripproof
Pump Quantity: 1
Cooling Method: unable to decode
End Item Identification: air conditioning system aboard 110 ft class coast guard vessels
Maximum Discharge Flow Rate: 40.0 gallons per minute
Discharge Pressure: 30.0 pounds per square inch gage
Total Head: 67.000 feet
Suction Lift: 15.000 feet
Operating Speed At Rated Capacity: 1750.0 revolutions per minute
Pumping Element Operating Position: horizontal
Centrifugal Pump Design: mixed flow
Centrifugal Pump Impeller Quantity: 1
Centrifugal Pump Impeller Suction Type: single
Prime Mover Type: electric motor
Inclosure Type: fully inclosed
Current Rating In Amps: 4.6
Prime Mover Power Rating: 3.000 horsepower
Voltage In Volts: 460.0
Phase: three
Frequency In Hertz: 60.0

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number	Name
3655-85/8	Centrifugal Pump Unit
790D353	Centrifugal Pump Unit
U764C320-1-2	Centrifugal Pump Unit

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 4320-01-209-1909?

The FSCG of the NSN 4320-01-209-1909 is 4320

Does the NSN 4320-01-209-1909 have a Schedule B code assigned?

Yes, the Schedule B code is 8413919520

Does NSN 4320-01-209-1909 require demilitarization?

Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.

Does NSN 4320-01-209-1909 contain precious materials?

Item does not contain precious metal.

Does NSN 4320-01-209-1909 contain hazardous materials?

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

When the NSN 4320-01-209-1909 was assigned to the Federal Catalog?

It was assigned 41 years ago, on Fri, May 24, 1985