PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

E3381Pump Unit,rotary

Naval Inventory Control Point Mechanicsburg · NSN 4320-00-449-1178 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-00-449-1178 — this item is cataloged by the U.S. Government under National Stock Number 4320-00-449-1178. Primary manufacturer part number: E3381.
Features
  • Pump Unit,rotary — FSC 4320
  • Current Rating in Amps: 14.1
  • Pumping Element Operating Position: VERTICAL
  • Inclosure Type: FULLY INCLOSED
  • Maximum Discharge Flow Rate: 200.0 GALLONS PER MINUTE
  • Prime Mover Power Rating: 10.000 HORSEPOWER
  • Operating Speed at Rated Capacity: 520.0 REVOLUTIONS PER MINUTE
  • Frequency in Hertz: 60.0
Applications
  • Fluid transfer and circulation
  • Cooling system maintenance
  • Industrial process pumping
General Description

The Pump Unit,rotary, cataloged under National Stock Number 4320-00-449-1178, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Naval Inventory Control Point Mechanicsburg. Government technical data includes 25 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4320-00-449-1178
Primary Part NumberE3381
Item NamePump Unit,rotary
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerNaval Inventory Control Point Mechanicsburg
StatusACTIVE
Current Rating in Amps14.1
Pumping Element Operating PositionVERTICAL
Inclosure TypeFULLY INCLOSED
Maximum Discharge Flow Rate200.0 GALLONS PER MINUTE
Prime Mover Power Rating10.000 HORSEPOWER
Operating Speed at Rated Capacity520.0 REVOLUTIONS PER MINUTE
Frequency in Hertz60.0
Rotary Pump DesignVANE
Discharge Pressure0.0 WATER CONSERVING - WATER SAVING TECHNOLOGIES - LOW-FLOW PRE-RINSE SPRAY VALVES
PhaseTHREE
Voltage in Volts440.0
Cooling MethodSELF VENTILATED
Reference Number Differentiating CharacteristicsNOT PROVIDED WITH CONTROLLER
Prime Mover TypeELECTRIC MOTOR
Nondefinitive Spec/std Data1 TYPE AND N-2 CLASS
Pump Quantity1
Intake Connection TypeROUND FLANGE
Environmental ProtectionSPLASHTIGHT
Media for Which DesignedHYDROCARBON FUELS AND OILS
Prime Mover Cooling MediumAIR
Intake Connection Quantity1
Prime Mover Quantity1
Discharge Connection Quantity1
Current TypeAC
Discharge Connection TypeROUND FLANGE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4320-00-242-6390E3428V1B INTERCHANGEABLE
Pump Unit,rotary
Naval Inventory Control Point Mechanicsburg
4320-00-431-0373 INTERCHANGEABLE
Pump Unit,rotary
4320-00-435-7948BA1250 INTERCHANGEABLE
Pump Unit,rotary
Viking Pump, Inc
4320-00-442-2723BA1285 INTERCHANGEABLE
Pump Unit,rotary
Viking Pump, Inc
4320-00-478-0066E3429 INTERCHANGEABLE
Pump Unit,rotary
Naval Inventory Control Point Mechanicsburg
4320-00-554-6869 INTERCHANGEABLE
Pump,rotary
4320-00-579-3429 INTERCHANGEABLE
Pump Unit,rotary
4320-00-839-1601SG3855 INTERCHANGEABLE
Pump Unit,rotary
Circor Pumps North America Llc
4320-00-922-5939 INTERCHANGEABLE
Pump Unit,rotary
4320-01-145-6471 INTERCHANGEABLE
Pump,rotary
Cross-Reference Index
Part NumberManufacturer
E3381 Naval Inventory Control Point Mechanicsburg (USA)
MILP19131 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
E3381 Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer (USA)
Related Parts
4320-00-242-6390INTERCHANGEABLE
PUMP UNIT,ROTARY
E3428V1B
4320-00-431-0373INTERCHANGEABLE
PUMP UNIT,ROTARY
4320-00-435-7948INTERCHANGEABLE
PUMP UNIT,ROTARY
BA1250
4320-00-442-2723INTERCHANGEABLE
PUMP UNIT,ROTARY
BA1285
4320-00-478-0066INTERCHANGEABLE
PUMP UNIT,ROTARY
E3429
4320-00-554-6869INTERCHANGEABLE
PUMP,ROTARY
4320-00-579-3429INTERCHANGEABLE
PUMP UNIT,ROTARY
4320-00-839-1601INTERCHANGEABLE
PUMP UNIT,ROTARY
SG3855
4320-00-922-5939INTERCHANGEABLE
PUMP UNIT,ROTARY
4320-01-145-6471INTERCHANGEABLE
PUMP,ROTARY
4320-01-190-7096INTERCHANGEABLE
PUMP,ROTARY
E-4027F
4320-01-205-0525INTERCHANGEABLE
PUMP UNIT,ROTARY

Frequently Asked Questions

What is NSN 4320-00-449-1178?

NSN 4320-00-449-1178 is a Pump Unit,rotary, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 4320 (No Item Name Available). Status: active.

What are the part numbers for NSN 4320-00-449-1178?

NSN 4320-00-449-1178 has 3 cross-referenced part numbers: E3381 (Naval Inventory Control Point Mechanicsburg), MILP19131 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), E3381 (Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer).

What NSN replaces 4320-00-449-1178?

There are 12 known substitutes for 4320-00-449-1178: 4320-00-242-6390, 4320-00-431-0373, 4320-00-435-7948 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of E3381?

Key specifications for E3381: Current Rating in Amps: 14.1; Pumping Element Operating Position: VERTICAL; Inclosure Type: FULLY INCLOSED; Maximum Discharge Flow Rate: 200.0 GALLONS PER MINUTE. 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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