PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

E-4593Pump,rotary

Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer · NSN 4320-01-337-4018 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-01-337-4018 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-337-4018. Primary manufacturer part number: E-4593.
Features
  • Pump,rotary — FSC 4320
  • 1 verified cross-reference
  • Primary manufacturer: Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer
Applications
  • Fluid transfer and circulation
  • Cooling system maintenance
  • Industrial process pumping
General Description

The Pump,rotary, cataloged under National Stock Number 4320-01-337-4018, 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. 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: Active.

Catalog Facts
Item NamePump,rotary
FSC / FSG4320 — No Item Name Available (FSG 43)
ManufacturersDover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer (CAGE 07524)
Technical Specifications
ParameterValue
NSN4320-01-337-4018
Primary Part NumberE-4593
Item NamePump,rotary
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerDover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
4320-01-340-8790200125 INTERCHANGEABLE
Rotor,pump
Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer
4320-01-340-8794020125 INTERCHANGEABLE
Connector,fluid,pump
Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer
4320-01-341-0117090152 INTERCHANGEABLE
Vane Set,rotary
Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer
Cross-Reference Index
Part NumberManufacturer
E-4593 PRIMARY Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer (USA)
Related Parts
4320-01-340-8790INTERCHANGEABLE
ROTOR,PUMP
200125
4320-01-340-8794INTERCHANGEABLE
CONNECTOR,FLUID,PUMP
020125
4320-01-341-0117INTERCHANGEABLE
VANE SET,ROTARY
090152

Frequently Asked Questions

What is NSN 4320-01-337-4018?

NSN 4320-01-337-4018 is a Pump,rotary, manufactured by Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer, classified under FSC 4320 (No Item Name Available). Status: active.

What are the part numbers for NSN 4320-01-337-4018?

NSN 4320-01-337-4018 has 1 cross-referenced part number: E-4593 (Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer).

What NSN replaces 4320-01-337-4018?

There are 3 known substitutes for 4320-01-337-4018: 4320-01-340-8790, 4320-01-340-8794, 4320-01-341-0117. Verify interchangeability with system specifications before substitution.

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