PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

H-64-1Pump Unit,centrifugal

Armstrong Pumps Inc · NSN 4320-01-271-6982 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-01-271-6982 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-271-6982. Primary manufacturer part number: H-64-1.
Features
  • Pump Unit,centrifugal — FSC 4320
  • Prime Mover Quantity: 1
  • Current Type: AC
  • Discharge Pressure: 5.2 COMPREHENSIVE PROCUREMENT GUIDELINE - CONSTRUCTION PRODUCTS - CEMENT AND CONCRETE CONTAINING CENOSPHERES
  • Prime Mover Type: ELECTRIC MOTOR
  • Centrifugal Pump Design: RADIAL FLOW
  • Cooling Method: AIR TO AIR COOLED
  • Prime Mover Power Rating: 0.75 HORSEPOWER
Applications
  • Fluid transfer and circulation
  • Cooling system maintenance
  • Industrial process pumping
General Description

The Pump Unit,centrifugal, cataloged under National Stock Number 4320-01-271-6982, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Armstrong Pumps Inc. Government technical data includes 29 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 5 manufacturers, 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
NSN4320-01-271-6982
Primary Part NumberH-64-1
Item NamePump Unit,centrifugal
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerArmstrong Pumps Inc
StatusACTIVE
Prime Mover Quantity1
Current TypeAC
Discharge Pressure5.2 COMPREHENSIVE PROCUREMENT GUIDELINE - CONSTRUCTION PRODUCTS - CEMENT AND CONCRETE CONTAINING CENOSPHERES
Prime Mover TypeELECTRIC MOTOR
Centrifugal Pump DesignRADIAL FLOW
Cooling MethodAIR TO AIR COOLED
Prime Mover Power Rating0.75 HORSEPOWER
Intake Connection Thread Size and Series/type Designator1.500-11-1/2 NPT
Centrifugal Pump Impeller Suction TypeSINGLE
Maximum Discharge Flow Rate60.0 GALLONS PER MINUTE
Current Rating in Amps4.9 AND 2.4
Discharge Connection Thread Size and Series/type Designator1.500-11-1/2 NPT
Total Head35.000 FEET FT
Operation Relationship DesignSIMULTANEOUS
Centrifugal Pump Impeller Quantity1
Frequency in Hertz60.0
PhaseSINGLE
Inclosure TypeFULLY INCLOSED
Voltage in Volts115.0 AND 230.0
Operating Speed at Rated Capacity1750.0 REVOLUTIONS PER MINUTE
Pumping Element Operating PositionHORIZONTAL
Pump Quantity1
Environmental ProtectionDRIPPROOF
Discharge Connection Quantity1
Intake Connection Quantity1
Discharge Connection TypeTHREADED INTERNAL
Prime Mover Cooling MediumAIR
Media for Which DesignedWATER, FRESH
Stage Quantity1
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
2530-00-192-8747 INTERCHANGEABLE
Cylinder,hydraulic Brake,wheel
3120-00-859-6131 INTERCHANGEABLE
Bushing,sleeve
4920-01-666-7514H641 INTERCHANGEABLE
Test Program Set
Howell Instruments, Inc. Dba Howell Instruments Inc
Cross-Reference Index
Part NumberManufacturer
H-64-1 PRIMARY Armstrong Pumps Inc (USA)
172757 Itt Bell and Gosset-Hydronics a Unit of Itt Fluid Handling Div (USA)
60-16S National Energy Control Corporation Dba National Energy Control Corp (USA)
2P436 PRIMARY W.w. Grainger, Inc. Div Government Sales Division (USA)
60-16S Itt Bell and Gosset-Hydronics a Unit of Itt Fluid Handling Div (USA)
2P436 Grainger W W Inc (USA)
Related Parts
2530-00-192-8747INTERCHANGEABLE
CYLINDER,HYDRAULIC BRAKE,WHEEL
3120-00-859-6131INTERCHANGEABLE
BUSHING,SLEEVE
4920-01-666-7514INTERCHANGEABLE
TEST PROGRAM SET
H641

Frequently Asked Questions

What is NSN 4320-01-271-6982?

NSN 4320-01-271-6982 is a Pump Unit,centrifugal, manufactured by Armstrong Pumps Inc, classified under FSC 4320 (No Item Name Available). Status: active.

What are the part numbers for NSN 4320-01-271-6982?

NSN 4320-01-271-6982 has 6 cross-referenced part numbers: H-64-1 (Armstrong Pumps Inc), 172757 (Itt Bell and Gosset-Hydronics a Unit of Itt Fluid Handling Div), 60-16S (National Energy Control Corporation Dba National Energy Control Corp), 2P436 (W.w. Grainger, Inc. Div Government Sales Division), 60-16S (Itt Bell and Gosset-Hydronics a Unit of Itt Fluid Handling Div) and 1 more.

What NSN replaces 4320-01-271-6982?

There are 3 known substitutes for 4320-01-271-6982: 2530-00-192-8747, 3120-00-859-6131, 4920-01-666-7514. Verify interchangeability with system specifications before substitution.

What are the specifications of H-64-1?

Key specifications for H-64-1: Prime Mover Quantity: 1; Current Type: AC; Discharge Pressure: 5.2 COMPREHENSIVE PROCUREMENT GUIDELINE - CONSTRUCTION PRODUCTS - CEMENT AND CONCRETE CONTAINING CENOSPHERES; Prime Mover Type: ELECTRIC MOTOR. 30 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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