PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

E-4650Pump Unit,rotary

Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer · NSN 4320-01-341-2356 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-01-341-2356 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-341-2356. Primary manufacturer part number: E-4650.
Features
  • Pump Unit,rotary — FSC 4320
  • Discharge Connection Type: ROUND FLANGE
  • Maximum Discharge Flow Rate: 200.0 GALLONS PER MINUTE
  • Rotary Pump Design: VANE
  • Intake Connection Quantity: 1
  • Pumping Element Operating Position: VERTICAL
  • Intake Connection Type: ROUND FLANGE
  • Discharge Pressure: 50.0 COMPREHENSIVE PROCUREMENT GUIDELINE - CONSTRUCTION PRODUCTS - CEMENT AND CONCRETE CONTAINING CENOSPHERES
Applications
  • Fluid transfer and circulation
  • Cooling system maintenance
  • Industrial process pumping
General Description

The Pump Unit,rotary, cataloged under National Stock Number 4320-01-341-2356, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references 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
NSN4320-01-341-2356
Primary Part NumberE-4650
Item NamePump Unit,rotary
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerDover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer
StatusCANCELLED
Discharge Connection TypeROUND FLANGE
Maximum Discharge Flow Rate200.0 GALLONS PER MINUTE
Rotary Pump DesignVANE
Intake Connection Quantity1
Pumping Element Operating PositionVERTICAL
Intake Connection TypeROUND FLANGE
Discharge Pressure50.0 COMPREHENSIVE PROCUREMENT GUIDELINE - CONSTRUCTION PRODUCTS - CEMENT AND CONCRETE CONTAINING CENOSPHERES
Discharge Connection Quantity1
Media for Which DesignedHYDROCARBON FUELS AND OILS
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 3
4320-00-337-0062091805 INTERCHANGEABLE
Vane,pump,rotary
Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer
3040-01-188-1926026376 INTERCHANGEABLE
Cylinder,actuating,linear
Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer
5340-01-694-3387E-3382 INTERCHANGEABLE
Cap-Plug,protective,dust and Moi
Estco Enterprises, Inc. Dba Estco Enterprises Inc
Cross-Reference Index
Part NumberManufacturer
E-3382 AND E-4036 Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer (USA)
E-3382 Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer (USA)
E-4036PC48 MODEL X3FC Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer (USA)
E-4650 PRIMARY Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer (USA)
X3NFA-NHRB Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer (USA)
Related Parts
4320-00-337-0062INTERCHANGEABLE
VANE,PUMP,ROTARY
091805
3040-01-188-1926INTERCHANGEABLE
CYLINDER,ACTUATING,LINEAR
026376
5340-01-694-3387INTERCHANGEABLE
CAP-PLUG,PROTECTIVE,DUST AND MOI
E-3382

Frequently Asked Questions

What is NSN 4320-01-341-2356?

NSN 4320-01-341-2356 is a Pump Unit,rotary, manufactured by Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer, classified under FSC 4320 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4320-01-341-2356?

NSN 4320-01-341-2356 has 5 cross-referenced part numbers: E-3382 AND E-4036 (Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer), E-3382 (Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer), E-4036PC48 MODEL X3FC (Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer), E-4650 (Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer), X3NFA-NHRB (Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer).

What NSN replaces 4320-01-341-2356?

There are 3 known substitutes for 4320-01-341-2356: 4320-00-337-0062, 3040-01-188-1926, 5340-01-694-3387. Verify interchangeability with system specifications before substitution.

What are the specifications of E-4650?

Key specifications for E-4650: Discharge Connection Type: ROUND FLANGE; Maximum Discharge Flow Rate: 200.0 GALLONS PER MINUTE; Rotary Pump Design: VANE; Intake Connection Quantity: 1. 10 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4320-01-341-2356 still in active supply?

NSN 4320-01-341-2356 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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