PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

S1546Pump Unit,centrifugal

Weil Pump Co Inc · NSN 4320-00-391-9198 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-00-391-9198 — this item is cataloged by the U.S. Government under National Stock Number 4320-00-391-9198. Primary manufacturer part number: S1546.
Features
  • Pump Unit,centrifugal — FSC 4320
  • Centrifugal Pump Impeller Suction Type: SINGLE
  • Total Head: 20.000 FEET FT
  • Current Rating in Amps: 2.8
  • Maximum Discharge Flow Rate: 5.0 GALLONS PER MINUTE
  • Operating Speed at Rated Capacity: 1750.0 REVOLUTIONS PER MINUTE
  • Centrifugal Pump Design: RADIAL FLOW
  • Pumping Element Operating Position: HORIZONTAL
Applications
  • Fluid transfer and circulation
  • Cooling system maintenance
  • Industrial process pumping
General Description

The Pump Unit,centrifugal, cataloged under National Stock Number 4320-00-391-9198, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Weil Pump Co Inc. Government technical data includes 23 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4320-00-391-9198
Primary Part NumberS1546
Item NamePump Unit,centrifugal
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerWeil Pump Co Inc
StatusACTIVE
Centrifugal Pump Impeller Suction TypeSINGLE
Total Head20.000 FEET FT
Current Rating in Amps2.8
Maximum Discharge Flow Rate5.0 GALLONS PER MINUTE
Operating Speed at Rated Capacity1750.0 REVOLUTIONS PER MINUTE
Centrifugal Pump DesignRADIAL FLOW
Pumping Element Operating PositionHORIZONTAL
Voltage in Volts115.0
Cooling MethodSELF VENTILATED
Centrifugal Pump Impeller Quantity1
Inclosure TypeFULLY INCLOSED
Prime Mover TypeELECTRIC MOTOR
Stage Quantity1
Discharge Connection TypeROUND FLANGE
Prime Mover Quantity1
Pump Quantity1
Environmental ProtectionSPLASHTIGHT
Intake Connection TypeROUND FLANGE
Current TypeDC
Prime Mover Cooling MediumAIR
Intake Connection Quantity1
Media for Which DesignedWATER, FRESH
Discharge Connection Quantity1
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5315-00-011-20110907274 INTERCHANGEABLE
Pin,straight,headless
Agco Corp Parts Opn
5305-00-013-900917Y2523PC180 INTERCHANGEABLE
Setscrew
Naval Ship Systems Command
9390-00-250-8719ASO-357-1 INTERCHANGEABLE
Nonmetallic Channel
Naval Inventory Control Point
Cross-Reference Index
Part NumberManufacturer
S1546 PRIMARY Weil Pump Co Inc (USA)
Related Parts
5315-00-011-2011INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
0907274
5305-00-013-9009INTERCHANGEABLE
SETSCREW
17Y2523PC180
9390-00-250-8719INTERCHANGEABLE
NONMETALLIC CHANNEL
ASO-357-1

Frequently Asked Questions

What is NSN 4320-00-391-9198?

NSN 4320-00-391-9198 is a Pump Unit,centrifugal, manufactured by Weil Pump Co Inc, classified under FSC 4320 (No Item Name Available). Status: active.

What are the part numbers for NSN 4320-00-391-9198?

NSN 4320-00-391-9198 has 1 cross-referenced part number: S1546 (Weil Pump Co Inc).

What NSN replaces 4320-00-391-9198?

There are 3 known substitutes for 4320-00-391-9198: 5315-00-011-2011, 5305-00-013-9009, 9390-00-250-8719. Verify interchangeability with system specifications before substitution.

What are the specifications of S1546?

Key specifications for S1546: Centrifugal Pump Impeller Suction Type: SINGLE; Total Head: 20.000 FEET FT; Current Rating in Amps: 2.8; Maximum Discharge Flow Rate: 5.0 GALLONS PER MINUTE. 23 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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