PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

44-747Pump Unit,reciprocating

Siemens Water Technologies Corp. Div Wallace & Tiernan Products · NSN 4320-01-065-6963 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-01-065-6963 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-065-6963. Primary manufacturer part number: 44-747.
Features
  • Pump Unit,reciprocating — FSC 4320
  • Environmental Protection: DRIPPROOF
  • Prime Mover Type: ELECTRIC MOTOR
  • Discharge Connection Quantity: 1
  • Discharge Connection Type: UNTHREADED EXTERNAL
  • Intake Connection Quantity: 1
  • Maximum Discharge Flow Rate: 0.1 GALLONS PER MINUTE
  • Intake Connection Type: UNTHREADED EXTERNAL
Applications
  • Fluid transfer and circulation
  • Cooling system maintenance
  • Industrial process pumping
General Description

The Pump Unit,reciprocating, cataloged under National Stock Number 4320-01-065-6963, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Siemens Water Technologies Corp. Div Wallace & Tiernan Products. Government technical data includes 19 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: Cancelled.

Technical Specifications
ParameterValue
NSN4320-01-065-6963
Primary Part Number44-747
Item NamePump Unit,reciprocating
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerSiemens Water Technologies Corp. Div Wallace & Tiernan Products
StatusCANCELLED
Environmental ProtectionDRIPPROOF
Prime Mover TypeELECTRIC MOTOR
Discharge Connection Quantity1
Discharge Connection TypeUNTHREADED EXTERNAL
Intake Connection Quantity1
Maximum Discharge Flow Rate0.1 GALLONS PER MINUTE
Intake Connection TypeUNTHREADED EXTERNAL
Voltage in Volts115.0 AND 230.0
Pumping Element TypeDIAPHRAGM
Current TypeAC
Mounting TypeBASE
Operating Speed at Rated Capacity65.0 STROKES PER MINUTE
Reciprocating Stroke TypeVARIABLE
Discharge Pressure25.0 COMPREHENSIVE PROCUREMENT GUIDELINE - CONSTRUCTION PRODUCTS - CEMENT AND CONCRETE CONTAINING CENOSPHERES
Inclosure TypeOPEN
Prime Mover Power Rating0.250 HORSEPOWER
Prime Mover Quantity1
PhaseSINGLE
Pump Quantity1
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 3
5950-00-230-8759SM-D-2015962 INTERCHANGEABLE
Transformer,power
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
3455-01-364-627744747 INTERCHANGEABLE
Cutter Bit,tool Holder
Kennametal Inc. Div Kennametal Industrial Products Group
2530-01-435-014544747 INTERCHANGEABLE
Chamber,air Brake
Saginaw Products Corporation Dba Cignys
Cross-Reference Index
Part NumberManufacturer
44-747 Siemens Water Technologies Corp. Div Wallace & Tiernan Products (USA)
Related Parts
5950-00-230-8759INTERCHANGEABLE
TRANSFORMER,POWER
SM-D-2015962
3455-01-364-6277INTERCHANGEABLE
CUTTER BIT,TOOL HOLDER
44747
2530-01-435-0145INTERCHANGEABLE
CHAMBER,AIR BRAKE
44747

Frequently Asked Questions

What is NSN 4320-01-065-6963?

NSN 4320-01-065-6963 is a Pump Unit,reciprocating, manufactured by Siemens Water Technologies Corp. Div Wallace & Tiernan Products, classified under FSC 4320 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4320-01-065-6963?

NSN 4320-01-065-6963 has 1 cross-referenced part number: 44-747 (Siemens Water Technologies Corp. Div Wallace & Tiernan Products).

What NSN replaces 4320-01-065-6963?

There are 3 known substitutes for 4320-01-065-6963: 5950-00-230-8759, 3455-01-364-6277, 2530-01-435-0145. Verify interchangeability with system specifications before substitution.

What are the specifications of 44-747?

Key specifications for 44-747: Environmental Protection: DRIPPROOF; Prime Mover Type: ELECTRIC MOTOR; Discharge Connection Quantity: 1; Discharge Connection Type: UNTHREADED EXTERNAL. 19 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4320-01-065-6963 still in active supply?

NSN 4320-01-065-6963 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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