LM633

View detailed technical data, stock status, and sourcing information for: LM633
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Federal Supply Group

Pumps and Compressors

Federal Supply Classification

4320 Power and Hand Pumps

National Stock Number

4320-01-313-1656

Item Name Code

14741

Assigment Date

01/03/1990 (36 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.

round flange intake connection type, flange mounting type, 1 intake connection quantity, 1 stage quantity, 1 discharge connection quantity

Product Characteristics

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

Mounting Type: flange
Stage Quantity: 1
Intake Connection Quantity: 1
Intake Connection Type: round flange
Discharge Connection Quantity: 1
Discharge Connection Type: round flange
Media For Which Designed: water, salt
Maximum Discharge Flow Rate: 7.50 gallons per minute
Operating Speed At Rated Capacity: 1750.0 revolutions per minute
Pumping Element Operating Position: vertical
Pump Rotation Direction: clockwise
Centrifugal Pump Design: axial flow
Centrifugal Pump Impeller Quantity: 1
Centrifugal Pump Impeller Suction Type: single
Drive Shaft Type: machine keyway
Unpackaged Unit Width: 23.500 inches nominal
Unpackaged Unit Height: 25.000 inches nominal
Special Features: head 110.0ft; discharge and suction 9.000 in.dia flange w/8 mtg holes; 30hp

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
4-VMG	Centrifugal Pump
999F0445	Centrifugal Pump
LM633	Centrifugal Pump

FAQs

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

What is the FSCG of the NSN 4320-01-313-1656?

The FSCG of the NSN 4320-01-313-1656 is 4320

Does the NSN 4320-01-313-1656 have a Schedule B code assigned?

Yes, the Schedule B code is 8413702090

Does NSN 4320-01-313-1656 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 4320-01-313-1656 contain precious materials?

Item does not contain precious metal.

Does NSN 4320-01-313-1656 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 4320-01-313-1656 was assigned to the Federal Catalog?

It was assigned 36 years ago, on Wed, Jan 3, 1990