PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

S5961Pump Unit,centrifugal

Clow Corp Pump Div · NSN 4320-00-915-1388 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-00-915-1388 — this item is cataloged by the U.S. Government under National Stock Number 4320-00-915-1388. Primary manufacturer part number: S5961.
Features
  • Pump Unit,centrifugal — FSC 4320
  • Maximum Discharge Flow Rate: 150.0 GALLONS PER MINUTE
  • Frequency in Hertz: 60.0
  • Intake Connection Type: ROUND FLANGE
  • Discharge Connection Quantity: 1
  • Current Rating in Amps: 11.0
  • Centrifugal Pump Design: RADIAL FLOW
  • Centrifugal Pump Impeller Quantity: 1
Applications
  • Fluid transfer and circulation
  • Cooling system maintenance
  • Industrial process pumping
General Description

The Pump Unit,centrifugal, cataloged under National Stock Number 4320-00-915-1388, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Clow Corp Pump Div. Government technical data includes 26 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references 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
NSN4320-00-915-1388
Primary Part NumberS5961
Item NamePump Unit,centrifugal
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerClow Corp Pump Div
StatusACTIVE
Maximum Discharge Flow Rate150.0 GALLONS PER MINUTE
Frequency in Hertz60.0
Intake Connection TypeROUND FLANGE
Discharge Connection Quantity1
Current Rating in Amps11.0
Centrifugal Pump DesignRADIAL FLOW
Centrifugal Pump Impeller Quantity1
PhaseTHREE
Operating Speed at Rated Capacity1750.0 REVOLUTIONS PER MINUTE
Centrifugal Pump Impeller Suction TypeSINGLE
Total Head50.000 FEET FT
Features ProvidedSELF-PRIMING
Prime Mover TypeELECTRIC MOTOR
Voltage in Volts440.0
Prime Mover Cooling MediumAIR
Intake Connection Quantity1
Media for Which DesignedSEWAGE
Pump Quantity1
Environmental ProtectionDRIPPROOF
Stage Quantity1
Inclosure TypePARTIALLY INCLOSED
Current TypeAC
Pumping Element Operating PositionVERTICAL
Cooling MethodSELF VENTILATED
Discharge Connection TypeROUND FLANGE
Prime Mover Quantity1
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5950-00-041-2221 INTERCHANGEABLE
Transformer,radio Frequency
3120-00-353-8962 INTERCHANGEABLE
Bearing,sleeve
Cross-Reference Index
Part NumberManufacturer
S5961 Clow Corp Pump Div (USA)
S5961-150GPM Clow Corp Pump Div (USA)
Related Parts
5950-00-041-2221INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
3120-00-353-8962INTERCHANGEABLE
BEARING,SLEEVE

Frequently Asked Questions

What is NSN 4320-00-915-1388?

NSN 4320-00-915-1388 is a Pump Unit,centrifugal, manufactured by Clow Corp Pump Div, classified under FSC 4320 (No Item Name Available). Status: active.

What are the part numbers for NSN 4320-00-915-1388?

NSN 4320-00-915-1388 has 2 cross-referenced part numbers: S5961 (Clow Corp Pump Div), S5961-150GPM (Clow Corp Pump Div).

What NSN replaces 4320-00-915-1388?

There are 2 known substitutes for 4320-00-915-1388: 5950-00-041-2221, 3120-00-353-8962. Verify interchangeability with system specifications before substitution.

What are the specifications of S5961?

Key specifications for S5961: Maximum Discharge Flow Rate: 150.0 GALLONS PER MINUTE; Frequency in Hertz: 60.0; Intake Connection Type: ROUND FLANGE; Discharge Connection Quantity: 1. 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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