PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1437-8Pump Unit,centrifugal

Parker Hannifin Corporation Div Hydraulic Systems Division · NSN 4320-00-811-3746 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-00-811-3746 — this item is cataloged by the U.S. Government under National Stock Number 4320-00-811-3746. Primary manufacturer part number: 1437-8.
Features
  • Pump Unit,centrifugal — FSC 4320
  • Operating Speed at Rated Capacity: 11300.0 REVOLUTIONS PER MINUTE
  • Pumping Element Operating Position: HORIZONTAL
  • Features Provided: SELF-PRIMING
  • Environmental Protection: EXPLOSION PROOF
  • Media for Which Designed: HYDROCARBON FUELS AND OILS
  • Current Type: AC
  • Intake Connection Type: THREADED INTERNAL
Applications
  • Fluid transfer and circulation
  • Cooling system maintenance
  • Industrial process pumping
General Description

The Pump Unit,centrifugal, cataloged under National Stock Number 4320-00-811-3746, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Parker Hannifin Corporation Div Hydraulic Systems Division. Government technical data includes 26 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4320-00-811-3746
Primary Part Number1437-8
Item NamePump Unit,centrifugal
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerParker Hannifin Corporation Div Hydraulic Systems Division
StatusACTIVE
Operating Speed at Rated Capacity11300.0 REVOLUTIONS PER MINUTE
Pumping Element Operating PositionHORIZONTAL
Features ProvidedSELF-PRIMING
Environmental ProtectionEXPLOSION PROOF
Media for Which DesignedHYDROCARBON FUELS AND OILS
Current TypeAC
Intake Connection TypeTHREADED INTERNAL
Pump Quantity1
Prime Mover Power Rating2.600 HORSEPOWER
Discharge Connection Quantity1
Prime Mover Quantity1
Centrifugal Pump Impeller Quantity1
Discharge Connection Thread Size and Series/type Designator1.312-12 UN
Inclosure TypeFULLY INCLOSED
Intake Connection Quantity1
Maximum Discharge Flow Rate19.2 GALLONS PER MINUTE
Prime Mover Cooling MediumAIR
Centrifugal Pump DesignRADIAL FLOW
Stage Quantity1
Voltage in Volts200.0
Intake Connection Thread Size and Series/type Designator1.312-12 UN
Centrifugal Pump Impeller Suction TypeSINGLE
Discharge Connection TypeTHREADED INTERNAL
PhaseTHREE
Prime Mover TypeELECTRIC MOTOR
Frequency in Hertz400.0
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
4320-00-017-78651437-10 INTERCHANGEABLE
Pump Unit,centrifugal
Parker Hannifin Corporation Div Hydraulic Systems Division
4320-00-050-8205411000-2 INTERCHANGEABLE
Pump Unit,centrifugal
Western Sky Industries Inc Dba Electromech Techologies
4320-00-653-5494411000-1 INTERCHANGEABLE
Pump Unit,centrifugal
Western Sky Industries Inc Dba Electromech Techologies
2520-00-740-908614378 INTERCHANGEABLE
Cap End Control Val
New Venture Gear Inc New Process Gear Div
6105-00-822-196514378 INTERCHANGEABLE
Motor,alternating Current
Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc.
5330-00-842-054514378 INTERCHANGEABLE
Gasket
Leslie Controls, Inc. Dba Leslie Controls Inc
1650-00-992-899814378 INTERCHANGEABLE
Coil Assembly,solenoid
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
Cross-Reference Index
Part NumberManufacturer
1437-8 PRIMARY Parker Hannifin Corporation Div Hydraulic Systems Division (USA)
143749 Parker Hannifin Corporation Div Hydraulic Systems Division (USA)
695545-5 Lockheed Martin Corp (USA)
Related Parts
4320-00-017-7865INTERCHANGEABLE
PUMP UNIT,CENTRIFUGAL
1437-10
4320-00-050-8205INTERCHANGEABLE
PUMP UNIT,CENTRIFUGAL
411000-2
4320-00-653-5494INTERCHANGEABLE
PUMP UNIT,CENTRIFUGAL
411000-1
2520-00-740-9086INTERCHANGEABLE
CAP END CONTROL VAL
14378
6105-00-822-1965INTERCHANGEABLE
MOTOR,ALTERNATING CURRENT
14378
5330-00-842-0545INTERCHANGEABLE
GASKET
14378
1650-00-992-8998INTERCHANGEABLE
COIL ASSEMBLY,SOLENOID
14378

Frequently Asked Questions

What is NSN 4320-00-811-3746?

NSN 4320-00-811-3746 is a Pump Unit,centrifugal, manufactured by Parker Hannifin Corporation Div Hydraulic Systems Division, classified under FSC 4320 (No Item Name Available). Status: active.

What are the part numbers for NSN 4320-00-811-3746?

NSN 4320-00-811-3746 has 3 cross-referenced part numbers: 1437-8 (Parker Hannifin Corporation Div Hydraulic Systems Division), 143749 (Parker Hannifin Corporation Div Hydraulic Systems Division), 695545-5 (Lockheed Martin Corp).

What NSN replaces 4320-00-811-3746?

There are 7 known substitutes for 4320-00-811-3746: 4320-00-017-7865, 4320-00-050-8205, 4320-00-653-5494 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1437-8?

Key specifications for 1437-8: Operating Speed at Rated Capacity: 11300.0 REVOLUTIONS PER MINUTE; Pumping Element Operating Position: HORIZONTAL; Features Provided: SELF-PRIMING; Environmental Protection: EXPLOSION PROOF. 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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