PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

S3A1Pump Unit,centrifugal

The Gorman-Rupp Company Div Gorman-Rupp · NSN 4320-00-915-3178 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-00-915-3178 — this item is cataloged by the U.S. Government under National Stock Number 4320-00-915-3178. Primary manufacturer part number: S3A1.
Features
  • Pump Unit,centrifugal — FSC 4320
  • Operating Speed at Rated Capacity: 3450.0 REVOLUTIONS PER MINUTE
  • Inclosure Type: FULLY INCLOSED
  • Phase: SINGLE
  • Pump Quantity: 1
  • Features Provided: SELF-PRIMING
  • Prime Mover Type: ELECTRIC MOTOR
  • Maximum Discharge Flow Rate: 250.0 GALLONS PER MINUTE
Applications
  • Fluid transfer and circulation
  • Cooling system maintenance
  • Industrial process pumping
General Description

The Pump Unit,centrifugal, cataloged under National Stock Number 4320-00-915-3178, 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 25 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4320-00-915-3178
Primary Part NumberS3A1
Item NamePump Unit,centrifugal
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerThe Gorman-Rupp Company Div Gorman-Rupp
StatusACTIVE
Operating Speed at Rated Capacity3450.0 REVOLUTIONS PER MINUTE
Inclosure TypeFULLY INCLOSED
PhaseSINGLE
Pump Quantity1
Features ProvidedSELF-PRIMING
Prime Mover TypeELECTRIC MOTOR
Maximum Discharge Flow Rate250.0 GALLONS PER MINUTE
Total Head100.000 FEET FT
Centrifugal Pump Impeller Quantity1
Prime Mover Power Rating5.000 HORSEPOWER
Centrifugal Pump DesignRADIAL FLOW
Voltage in Volts230.0
Cooling MethodWATER COOLED
Frequency in Hertz60.0
Discharge Connection TypeTHREADED INTERNAL
Environmental ProtectionSUBMERSIBLE
Discharge Connection Quantity1
Pumping Element Operating PositionVERTICAL
Stage Quantity1
Current TypeAC
Centrifugal Pump Impeller Suction TypeSINGLE
Discharge Connection Thread Size and Series/type Designator3.000-8 NPT
Prime Mover Quantity1
Prime Mover Cooling MediumWATER, FRESH
Media for Which DesignedWATER, FRESH
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5961-00-421-3002 INTERCHANGEABLE
Semiconductor Device,diode
5961-01-006-0215 INTERCHANGEABLE
Semiconductor Device,diode
Cross-Reference Index
Part NumberManufacturer
S3A1 PRIMARY The Gorman-Rupp Company Div Gorman-Rupp (USA)
Related Parts
5961-00-421-3002INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-01-006-0215INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE

Frequently Asked Questions

What is NSN 4320-00-915-3178?

NSN 4320-00-915-3178 is a Pump Unit,centrifugal, manufactured by The Gorman-Rupp Company Div Gorman-Rupp, classified under FSC 4320 (No Item Name Available). Status: active.

What are the part numbers for NSN 4320-00-915-3178?

NSN 4320-00-915-3178 has 1 cross-referenced part number: S3A1 (The Gorman-Rupp Company Div Gorman-Rupp).

What NSN replaces 4320-00-915-3178?

There are 2 known substitutes for 4320-00-915-3178: 5961-00-421-3002, 5961-01-006-0215. Verify interchangeability with system specifications before substitution.

What are the specifications of S3A1?

Key specifications for S3A1: Operating Speed at Rated Capacity: 3450.0 REVOLUTIONS PER MINUTE; Inclosure Type: FULLY INCLOSED; Phase: SINGLE; Pump Quantity: 1. 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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