PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

R159V1APump Unit,centrifugal

Circor Naval Solutions Llc Dba Warren Pumps · NSN 4320-00-267-4503 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-00-267-4503 — this item is cataloged by the U.S. Government under National Stock Number 4320-00-267-4503. Primary manufacturer part number: R159V1A.
Features
  • Pump Unit,centrifugal — FSC 4320
  • Stage Quantity: 1
  • Maximum Discharge Flow Rate: 4.0 GALLONS PER MINUTE
  • Centrifugal Pump Impeller Suction Type: SINGLE
  • Discharge Pressure: 5.0 ENERGY EFFICIENT - FEMP - LOW STANDBY POWER - OFFICE EQUIPMENT -INTEGRATED COMPUTERS
  • Inclosure Type: PARTIALLY INCLOSED
  • Pumping Element Operating Position: VERTICAL
  • Current Rating in Amps: 10.4
Applications
  • Fluid transfer and circulation
  • Cooling system maintenance
  • Industrial process pumping
General Description

The Pump Unit,centrifugal, cataloged under National Stock Number 4320-00-267-4503, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Circor Naval Solutions Llc Dba Warren Pumps. Government technical data includes 25 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4320-00-267-4503
Primary Part NumberR159V1A
Item NamePump Unit,centrifugal
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerCircor Naval Solutions Llc Dba Warren Pumps
StatusACTIVE
Stage Quantity1
Maximum Discharge Flow Rate4.0 GALLONS PER MINUTE
Centrifugal Pump Impeller Suction TypeSINGLE
Discharge Pressure5.0 ENERGY EFFICIENT - FEMP - LOW STANDBY POWER - OFFICE EQUIPMENT -INTEGRATED COMPUTERS
Inclosure TypePARTIALLY INCLOSED
Pumping Element Operating PositionVERTICAL
Current Rating in Amps10.4
Operating Speed at Rated Capacity3500.0 REVOLUTIONS PER MINUTE
Centrifugal Pump DesignRADIAL FLOW
Total Head77.000 FEET FT
Prime Mover TypeELECTRIC MOTOR
Centrifugal Pump Impeller Quantity1
Voltage in Volts115.0
Reference Number Differentiating CharacteristicsFURNISHED W/115 V DC MOTOR AND CONTROLLER V
Cooling MethodSELF VENTILATED
Current TypeDC
Pump Quantity1
Prime Mover Cooling MediumAIR
Intake Connection Quantity1
Discharge Connection Quantity1
Prime Mover Quantity1
Environmental ProtectionDRIPPROOF
Discharge Connection TypeROUND FLANGE
Intake Connection TypeROUND FLANGE
Media for Which DesignedWATER, FRESH
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
4320-00-031-15062006-3906 INTERCHANGEABLE
Ram,hydraulic
Applied Power Inc Power Packer
2805-00-293-969920-279 INTERCHANGEABLE
Lock,valve Spring Retainer
Dresser Industries Inc Leroi Div
Cross-Reference Index
Part NumberManufacturer
R159V1A Circor Naval Solutions Llc Dba Warren Pumps (USA)
R159 Circor Naval Solutions Llc Dba Warren Pumps (USA)
Related Parts
4320-00-031-1506INTERCHANGEABLE
RAM,HYDRAULIC
2006-3906
2805-00-293-9699INTERCHANGEABLE
LOCK,VALVE SPRING RETAINER
20-279

Frequently Asked Questions

What is NSN 4320-00-267-4503?

NSN 4320-00-267-4503 is a Pump Unit,centrifugal, manufactured by Circor Naval Solutions Llc Dba Warren Pumps, classified under FSC 4320 (No Item Name Available). Status: active.

What are the part numbers for NSN 4320-00-267-4503?

NSN 4320-00-267-4503 has 2 cross-referenced part numbers: R159V1A (Circor Naval Solutions Llc Dba Warren Pumps), R159 (Circor Naval Solutions Llc Dba Warren Pumps).

What NSN replaces 4320-00-267-4503?

There are 2 known substitutes for 4320-00-267-4503: 4320-00-031-1506, 2805-00-293-9699. Verify interchangeability with system specifications before substitution.

What are the specifications of R159V1A?

Key specifications for R159V1A: Stage Quantity: 1; Maximum Discharge Flow Rate: 4.0 GALLONS PER MINUTE; Centrifugal Pump Impeller Suction Type: SINGLE; Discharge Pressure: 5.0 ENERGY EFFICIENT - FEMP - LOW STANDBY POWER - OFFICE EQUIPMENT -INTEGRATED COMPUTERS. 25 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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