R557

View detailed technical data, stock status, and sourcing information for: R557
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Federal Supply Group

Pumps and Compressors

Federal Supply Classification

4320 Power and Hand Pumps

National Stock Number

4320-00-805-5494

Item Name Code

17988

Assigment Date

01/01/1962 (64 years ago)

2 intake connection quantity, 1 stage 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: 2
Intake Connection Type: round flange
Discharge Connection Quantity: 2
Discharge Connection Type: round flange
Current Type: ac
Media For Which Designed: water, salt and water, fresh
Environmental Protection: dripproof
Pump Quantity: 2
Cooling Method: unable to decode
Maximum Discharge Flow Rate: 300.0 gallons per minute and 150.0 gallons per minute
Total Head: 134.000 feet and 79.000 feet
Operating Speed At Rated Capacity: 3500.0 revolutions per minute
Pumping Element Operating Position: horizontal
Centrifugal Pump Design: radial flow
Centrifugal Pump Impeller Quantity: 2
Centrifugal Pump Impeller Suction Type: single
Operation Relationship Design: simultaneous
Prime Mover Type: electric motor
Inclosure Type: partially inclosed
Current Rating In Amps: 26.0
Features Provided: self-priming
Voltage In Volts: 440.0
Phase: three
Frequency In Hertz: 60.0
Reference Number Differentiating Characteristics: as differentiated by w/out repair parts

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
R557	Centrifugal Pump Unit
SSN585-502-1716484	Centrifugal Pump Unit

FAQs

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

What is the FSCG of the NSN 4320-00-805-5494?

The FSCG of the NSN 4320-00-805-5494 is 4320

Does the NSN 4320-00-805-5494 have a Schedule B code assigned?

Yes, the Schedule B code is 8413919520

Does NSN 4320-00-805-5494 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 4320-00-805-5494 contain precious materials?

Item does not contain precious metal.

Does NSN 4320-00-805-5494 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 4320-00-805-5494 was assigned to the Federal Catalog?

It was assigned 64 years ago, on Mon, Jan 1, 1962