PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

R312Pump Unit,centrifugal

Circor Naval Solutions Llc Dba Warren Pumps · NSN 4320-00-214-0127 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-00-214-0127 — this item is cataloged by the U.S. Government under National Stock Number 4320-00-214-0127. Primary manufacturer part number: R312.
Features
  • Pump Unit,centrifugal — FSC 4320
  • Maximum Discharge Flow Rate: 18500.0 GALLONS PER MINUTE
  • Intake Connection Type: ROUND FLANGE
  • Pumping Element Operating Position: VERTICAL
  • Pump Quantity: 1
  • Prime Mover Type: STEAM TURBINE
  • Centrifugal Pump Design: AXIAL FLOW
  • Centrifugal Pump Impeller Suction Type: SINGLE
Applications
  • Fluid transfer and circulation
  • Cooling system maintenance
  • Industrial process pumping
General Description

The Pump Unit,centrifugal, cataloged under National Stock Number 4320-00-214-0127, 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 17 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. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4320-00-214-0127
Primary Part NumberR312
Item NamePump Unit,centrifugal
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerCircor Naval Solutions Llc Dba Warren Pumps
StatusACTIVE
Maximum Discharge Flow Rate18500.0 GALLONS PER MINUTE
Intake Connection TypeROUND FLANGE
Pumping Element Operating PositionVERTICAL
Pump Quantity1
Prime Mover TypeSTEAM TURBINE
Centrifugal Pump DesignAXIAL FLOW
Centrifugal Pump Impeller Suction TypeSINGLE
Discharge Connection Quantity1
Operating Speed at Rated Capacity900.0 REVOLUTIONS PER MINUTE
Centrifugal Pump Impeller Quantity1
Prime Mover Quantity1
Stage Quantity1
Prime Mover Power Rating150.000 HORSEPOWER
Discharge Connection TypeROUND FLANGE
Intake Connection Quantity2
Total Head30.300 FEET FT
Operating Pressure575.0 POUNDS PER SQUARE INCH GAUGE (PSIG) NOMINAL POWER DRIVE LBS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5950-00-089-1223 INTERCHANGEABLE
Reactor
5340-00-489-5185R31-1A INTERCHANGEABLE
Handle,door
Adams Rite Aerospace, Inc
6660-00-498-9689R312 INTERCHANGEABLE
Hammer,print
Simplex Time Recorder Llc
3010-00-713-46031522762 INTERCHANGEABLE
Clutch Assembly,friction
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5905-00-821-6437R31-2 INTERCHANGEABLE
Resistor,variable,wire Wound,pre
Cae Usa Inc.
5325-00-982-0177 INTERCHANGEABLE
Receptacle,turnlock Fastener
Cross-Reference Index
Part NumberManufacturer
R312 PRIMARY Circor Naval Solutions Llc Dba Warren Pumps (USA)
Related Parts
5950-00-089-1223INTERCHANGEABLE
REACTOR
5340-00-489-5185INTERCHANGEABLE
HANDLE,DOOR
R31-1A
6660-00-498-9689INTERCHANGEABLE
HAMMER,PRINT
R312
3010-00-713-4603INTERCHANGEABLE
CLUTCH ASSEMBLY,FRICTION
1522762
5905-00-821-6437INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,PRE
R31-2
5325-00-982-0177INTERCHANGEABLE
RECEPTACLE,TURNLOCK FASTENER

Frequently Asked Questions

What is NSN 4320-00-214-0127?

NSN 4320-00-214-0127 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 4320-00-214-0127?

NSN 4320-00-214-0127 has 1 cross-referenced part number: R312 (Circor Naval Solutions Llc Dba Warren Pumps).

What NSN replaces 4320-00-214-0127?

There are 6 known substitutes for 4320-00-214-0127: 5950-00-089-1223, 5340-00-489-5185, 6660-00-498-9689 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of R312?

Key specifications for R312: Maximum Discharge Flow Rate: 18500.0 GALLONS PER MINUTE; Intake Connection Type: ROUND FLANGE; Pumping Element Operating Position: VERTICAL; Pump Quantity: 1. 17 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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