PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A237Pump Unit,centrifugal

Weil Pump Co Inc · NSN 4320-00-267-4413 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-00-267-4413 — this item is cataloged by the U.S. Government under National Stock Number 4320-00-267-4413. Primary manufacturer part number: A237.
Features
  • Pump Unit,centrifugal — FSC 4320
  • Discharge Connection Quantity: 1
  • Stage Quantity: 1
  • Intake Connection Thread Size and Series/type Designator: 1.250-11 1/2 NPT
  • Current Rating in Amps: 0.6
  • Prime Mover Type: ELECTRIC MOTOR
  • Centrifugal Pump Impeller Suction Type: SINGLE
  • Discharge Connection Thread Size and Series/type Designator: 1.250-11 1/2 NPT
Applications
  • Fluid transfer and circulation
  • Cooling system maintenance
  • Industrial process pumping
General Description

The Pump Unit,centrifugal, cataloged under National Stock Number 4320-00-267-4413, 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 27 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4320-00-267-4413
Primary Part NumberA237
Item NamePump Unit,centrifugal
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerWeil Pump Co Inc
StatusACTIVE
Discharge Connection Quantity1
Stage Quantity1
Intake Connection Thread Size and Series/type Designator1.250-11 1/2 NPT
Current Rating in Amps0.6
Prime Mover TypeELECTRIC MOTOR
Centrifugal Pump Impeller Suction TypeSINGLE
Discharge Connection Thread Size and Series/type Designator1.250-11 1/2 NPT
Operating Speed at Rated Capacity1750.0 REVOLUTIONS PER MINUTE
Centrifugal Pump Impeller Quantity1
Maximum Discharge Flow Rate5.0 GALLONS PER MINUTE
Pumping Element Operating PositionHORIZONTAL
Inclosure TypeFULLY INCLOSED
Total Head11.600 FEET FT
Centrifugal Pump DesignRADIAL FLOW
Frequency in Hertz60.0
PhaseTHREE
Voltage in Volts440.0
Cooling MethodSELF VENTILATED
Intake Connection Quantity1
Prime Mover Quantity1
Prime Mover Cooling MediumAIR
Media for Which DesignedWATER, FRESH
Environmental ProtectionWATERTIGHT
Intake Connection TypeTHREADED INTERNAL
Discharge Connection TypeTHREADED INTERNAL
Current TypeAC
Pump Quantity1
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
4820-00-350-4011128 1-4 75 INTERCHANGEABLE
Valve,safety Relief
F.c.kingston Co. Dba Storm Manufacturing
5930-00-583-6643 INTERCHANGEABLE
Switch,thermostatic
1095-00-988-1901A237 INTERCHANGEABLE
Armament Subsystem,
Lockheed Martin Corp
6545-01-523-8435A237 INTERCHANGEABLE
X-Ray Dry Processing (computed R
Defense Medical Standardization Board
Cross-Reference Index
Part NumberManufacturer
A237 PRIMARY Weil Pump Co Inc (USA)
Related Parts
4820-00-350-4011INTERCHANGEABLE
VALVE,SAFETY RELIEF
128 1-4 75
5930-00-583-6643INTERCHANGEABLE
SWITCH,THERMOSTATIC
1095-00-988-1901INTERCHANGEABLE
ARMAMENT SUBSYSTEM,
A237
6545-01-523-8435INTERCHANGEABLE
X-RAY DRY PROCESSING (COMPUTED R
A237

Frequently Asked Questions

What is NSN 4320-00-267-4413?

NSN 4320-00-267-4413 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 4320-00-267-4413?

NSN 4320-00-267-4413 has 1 cross-referenced part number: A237 (Weil Pump Co Inc).

What NSN replaces 4320-00-267-4413?

There are 4 known substitutes for 4320-00-267-4413: 4820-00-350-4011, 5930-00-583-6643, 1095-00-988-1901 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of A237?

Key specifications for A237: Discharge Connection Quantity: 1; Stage Quantity: 1; Intake Connection Thread Size and Series/type Designator: 1.250-11 1/2 NPT; Current Rating in Amps: 0.6. 28 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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