PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

19K3-4Pump,rotary

Western Sky Industries Inc Dba Electromech Techologies · NSN 4320-00-203-3445 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-00-203-3445 — this item is cataloged by the U.S. Government under National Stock Number 4320-00-203-3445. Primary manufacturer part number: 19K3-4.
Features
  • Pump,rotary — FSC 4320
  • Discharge Connection Quantity: 1
  • Pumping Element Operating Position: HORIZONTAL
  • Rotary Pump Design: GEAR
  • Discharge Pressure: 50.0 COMPREHENSIVE PROCUREMENT GUIDELINE - CONSTRUCTION PRODUCTS - CEMENT AND CONCRETE CONTAINING CENOSPHERES
  • Operating Speed at Rated Capacity: 1750.0 REVOLUTIONS PER MINUTE
  • Drive Shaft Length: 1.500 INCHES NOMINAL IN
  • Intake Connection Thread Size and Series/type Designator: 0.500-14 NPT
Applications
  • Fluid transfer and circulation
  • Cooling system maintenance
  • Industrial process pumping
General Description

The Pump,rotary, cataloged under National Stock Number 4320-00-203-3445, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Western Sky Industries Inc Dba Electromech Techologies. Government technical data includes 26 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4320-00-203-3445
Primary Part Number19K3-4
Item NamePump,rotary
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerWestern Sky Industries Inc Dba Electromech Techologies
StatusACTIVE
Discharge Connection Quantity1
Pumping Element Operating PositionHORIZONTAL
Rotary Pump DesignGEAR
Discharge Pressure50.0 COMPREHENSIVE PROCUREMENT GUIDELINE - CONSTRUCTION PRODUCTS - CEMENT AND CONCRETE CONTAINING CENOSPHERES
Operating Speed at Rated Capacity1750.0 REVOLUTIONS PER MINUTE
Drive Shaft Length1.500 INCHES NOMINAL IN
Intake Connection Thread Size and Series/type Designator0.500-14 NPT
Drive Shaft TypeMACHINE KEYWAY
Discharge Connection Thread Size and Series/type Designator0.500-14 NPT
Drive Shaft End Diameter0.499 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
Rotary Pump DesignGEAR
Total Head346.600 FEET FT
Drive Shaft TypeMACHINE KEYWAY
Media for Which DesignedHYDROCARBON FUELS AND OILS
Intake Connection TypeTHREADED INTERNAL
Operating Speed at Rated Capacity1750.0 REVOLUTIONS PER MINUTE
Discharge Connection TypeTHREADED INTERNAL
Drive Shaft End Diameter0.499 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
Operation MethodPOWERED
Pump Rotation DirectionCLOCKWISE
Total Head346.600 FEET FT
Pump Rotation DirectionCLOCKWISE
Drive Shaft Length1.500 INCHES NOMINAL IN
Intake Connection Quantity1
Operation MethodPOWERED
Maximum Discharge Flow Rate0.8 GALLONS PER MINUTE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
4320-01-192-7154811-065-001 INTERCHANGEABLE
Pump,rotary
Dresser, Inc. Dba Dresser Roots Blowers & Compressors Div Dresser Roots
Cross-Reference Index
Part NumberManufacturer
19K3-4 PRIMARY Western Sky Industries Inc Dba Electromech Techologies (USA)
Related Parts
4320-01-192-7154INTERCHANGEABLE
PUMP,ROTARY
811-065-001

Frequently Asked Questions

What is NSN 4320-00-203-3445?

NSN 4320-00-203-3445 is a Pump,rotary, manufactured by Western Sky Industries Inc Dba Electromech Techologies, classified under FSC 4320 (No Item Name Available). Status: active.

What are the part numbers for NSN 4320-00-203-3445?

NSN 4320-00-203-3445 has 1 cross-referenced part number: 19K3-4 (Western Sky Industries Inc Dba Electromech Techologies).

What NSN replaces 4320-00-203-3445?

There is 1 known substitute for 4320-00-203-3445: 4320-01-192-7154. Verify interchangeability with system specifications before substitution.

What are the specifications of 19K3-4?

Key specifications for 19K3-4: Discharge Connection Quantity: 1; Pumping Element Operating Position: HORIZONTAL; Rotary Pump Design: GEAR; Discharge Pressure: 50.0 COMPREHENSIVE PROCUREMENT GUIDELINE - CONSTRUCTION PRODUCTS - CEMENT AND CONCRETE CONTAINING CENOSPHERES. 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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