PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

R1016Pump Unit,centrifugal

Circor Naval Solutions Llc Dba Warren Pumps · NSN 4320-00-459-8943 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-00-459-8943 — this item is cataloged by the U.S. Government under National Stock Number 4320-00-459-8943. Primary manufacturer part number: R1016.
Features
  • Pump Unit,centrifugal — FSC 4320
  • Environmental Protection: SPLASHTIGHT
  • Current Type: AC
  • Prime Mover Type: ELECTRIC MOTOR
  • Centrifugal Pump Design: RADIAL FLOW
  • Phase: THREE
  • Current Rating in Amps: 7.5
  • Cooling Method: SELF VENTILATED
Applications
  • Fluid transfer and circulation
  • Cooling system maintenance
  • Industrial process pumping
General Description

The Pump Unit,centrifugal, cataloged under National Stock Number 4320-00-459-8943, 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 26 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4320-00-459-8943
Primary Part NumberR1016
Item NamePump Unit,centrifugal
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerCircor Naval Solutions Llc Dba Warren Pumps
StatusACTIVE
Environmental ProtectionSPLASHTIGHT
Current TypeAC
Prime Mover TypeELECTRIC MOTOR
Centrifugal Pump DesignRADIAL FLOW
PhaseTHREE
Current Rating in Amps7.5
Cooling MethodSELF VENTILATED
Maximum Discharge Flow Rate40.0 GALLONS PER MINUTE
Centrifugal Pump Impeller Suction TypeSINGLE
Inclosure TypeFULLY INCLOSED
Operating Speed at Rated Capacity3550.0 REVOLUTIONS PER MINUTE
Centrifugal Pump Impeller Quantity2
Total Head152.000 FEET FT
Pumping Element Operating PositionVERTICAL
Voltage in Volts440.0
Frequency in Hertz60.0
Features ProvidedSELF-PRIMING
Discharge Connection Quantity1
Prime Mover Quantity1
Stage Quantity2
Intake Connection Quantity1
Pump Quantity1
Media for Which DesignedWATER, FRESH
Discharge Connection TypeROUND FLANGE
Intake Connection TypeROUND FLANGE
Prime Mover Cooling MediumAIR
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
4720-00-857-1731 INTERCHANGEABLE
Hose,nonmetallic
Cross-Reference Index
Part NumberManufacturer
R1016 PRIMARY Circor Naval Solutions Llc Dba Warren Pumps (USA)
Related Parts
4720-00-857-1731INTERCHANGEABLE
HOSE,NONMETALLIC

Frequently Asked Questions

What is NSN 4320-00-459-8943?

NSN 4320-00-459-8943 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 4320-00-459-8943?

NSN 4320-00-459-8943 has 1 cross-referenced part number: R1016 (Circor Naval Solutions Llc Dba Warren Pumps).

What NSN replaces 4320-00-459-8943?

There is 1 known substitute for 4320-00-459-8943: 4720-00-857-1731. Verify interchangeability with system specifications before substitution.

What are the specifications of R1016?

Key specifications for R1016: Environmental Protection: SPLASHTIGHT; Current Type: AC; Prime Mover Type: ELECTRIC MOTOR; Centrifugal Pump Design: RADIAL FLOW. 26 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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