PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

8 1-1/2E1-E.75 3PPump Unit,centrifugal

The Gorman-Rupp Company Div Gorman-Rupp · NSN 4320-00-707-5971 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-00-707-5971 — this item is cataloged by the U.S. Government under National Stock Number 4320-00-707-5971. Primary manufacturer part number: 8 1-1/2E1-E.75 3P.
Features
  • Pump Unit,centrifugal — FSC 4320
  • Current Type: AC
  • Discharge Connection Quantity: 1
  • Intake Connection Type: THREADED INTERNAL
  • Inclosure Type: FULLY INCLOSED
  • Discharge Connection Thread Size and Series/type Designator: 1.500-11-1/2 NPT
  • Prime Mover Type: ELECTRIC MOTOR
  • Total Head: 17.000 FEET FT
Applications
  • Fluid transfer and circulation
  • Cooling system maintenance
  • Industrial process pumping
General Description

The Pump Unit,centrifugal, cataloged under National Stock Number 4320-00-707-5971, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is The Gorman-Rupp Company Div Gorman-Rupp. Government technical data includes 28 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 13 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4320-00-707-5971
Primary Part Number8 1-1/2E1-E.75 3P
Item NamePump Unit,centrifugal
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerThe Gorman-Rupp Company Div Gorman-Rupp
StatusCANCELLED
Current TypeAC
Discharge Connection Quantity1
Intake Connection TypeTHREADED INTERNAL
Inclosure TypeFULLY INCLOSED
Discharge Connection Thread Size and Series/type Designator1.500-11-1/2 NPT
Prime Mover TypeELECTRIC MOTOR
Total Head17.000 FEET FT
Maximum Discharge Flow Rate60.0 GALLONS PER MINUTE
Operating Speed at Rated Capacity3450.0 REVOLUTIONS PER MINUTE
Centrifugal Pump Impeller Quantity1
Centrifugal Pump Impeller Suction TypeSINGLE
Voltage in Volts208.0
Pumping Element Operating PositionHORIZONTAL
Features ProvidedSELF-PRIMING
Centrifugal Pump DesignRADIAL FLOW
Intake Connection Thread Size and Series/type Designator1.500-11-1/2 NPT
PhaseTHREE
Criticality Code JustificationFEAT
Frequency in Hertz60.0
Cooling MethodSELF VENTILATED
Mounting TypeBASE
Intake Connection Quantity1
Prime Mover Quantity1
Stage Quantity1
Pump Quantity1
Prime Mover Cooling MediumAIR
Environmental ProtectionSPLASH PROOF
Media for Which DesignedWATER, FRESH
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 4
4320-00-707-596947895 INTERCHANGEABLE
Pump Unit,centrifugal
Aesys Technologies, L.l.c. Dba Jackson & Church Hvac Global Div York Shipley Global
3040-01-017-051729283-101 INTERCHANGEABLE
Shaft,hose Reel
Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp.
4320-01-216-72996-1-6267 INTERCHANGEABLE
Pump Unit,centrifugal
W1d1 Natick Soldier Center Dba Us Army Ccdc Soldier Center Div Combat Capabilities Development Command - Soldier Center
4820-01-488-607061743 INTERCHANGEABLE
Valve,regulating,fluid Pressure
Eaton Corporation Dba Airframe Div Fuel & Motion Control Systems
Cross-Reference Index
Part NumberManufacturer
8 1-1/2E1-E.75 3P/S1 The Gorman-Rupp Company Div Gorman-Rupp (USA)
8 1-1/2E1-E.75 3P PRIMARY The Gorman-Rupp Company Div Gorman-Rupp (USA)
6-1-6267 W1d1 Natick Soldier Center Dba Us Army Ccdc Soldier Center Div Combat Capabilities Development Command - Soldier Center (USA)
27456T Crane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp. (USA)
6-1-743 W1d1 Natick Soldier Center Dba Us Army Ccdc Soldier Center Div Combat Capabilities Development Command - Soldier Center (USA)
MODEL 3CCE Crane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp. (USA)
6-1-743-2-2 W1d1 Natick Soldier Center Dba Us Army Ccdc Soldier Center Div Combat Capabilities Development Command - Soldier Center (USA)
6-1-8212 W1d1 Natick Soldier Center Dba Us Army Ccdc Soldier Center Div Combat Capabilities Development Command - Soldier Center (USA)
6-1-6267-2 W1d1 Natick Soldier Center Dba Us Army Ccdc Soldier Center Div Combat Capabilities Development Command - Soldier Center (USA)
157602018 D & J Parts Inc (USA)
027458T Crane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp. (USA)
4075E-3S C. H. & E. Manufacturing Co. Inc Div Abs Dewatering (USA)
4057E-3S PRIMARY Generac Mobile Products, Llc (USA)
Related Parts
4320-00-707-5969INTERCHANGEABLE
PUMP UNIT,CENTRIFUGAL
47895
3040-01-017-0517INTERCHANGEABLE
SHAFT,HOSE REEL
29283-101
4320-01-216-7299INTERCHANGEABLE
PUMP UNIT,CENTRIFUGAL
6-1-6267
4820-01-488-6070INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
61743

Frequently Asked Questions

What is NSN 4320-00-707-5971?

NSN 4320-00-707-5971 is a Pump Unit,centrifugal, manufactured by The Gorman-Rupp Company Div Gorman-Rupp, classified under FSC 4320 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4320-00-707-5971?

NSN 4320-00-707-5971 has 13 cross-referenced part numbers: 8 1-1/2E1-E.75 3P/S1 (The Gorman-Rupp Company Div Gorman-Rupp), 8 1-1/2E1-E.75 3P (The Gorman-Rupp Company Div Gorman-Rupp), 6-1-6267 (W1d1 Natick Soldier Center Dba Us Army Ccdc Soldier Center Div Combat Capabilities Development Command - Soldier Center), 27456T (Crane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp.), 6-1-743 (W1d1 Natick Soldier Center Dba Us Army Ccdc Soldier Center Div Combat Capabilities Development Command - Soldier Center) and 8 more.

What NSN replaces 4320-00-707-5971?

There are 4 known substitutes for 4320-00-707-5971: 4320-00-707-5969, 3040-01-017-0517, 4320-01-216-7299 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 8 1-1/2E1-E.75 3P?

Key specifications for 8 1-1/2E1-E.75 3P: Current Type: AC; Discharge Connection Quantity: 1; Intake Connection Type: THREADED INTERNAL; Inclosure Type: FULLY INCLOSED. 30 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4320-00-707-5971 still in active supply?

NSN 4320-00-707-5971 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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