PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

E-3373-2Pump Unit,rotary

Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer · NSN 4320-01-202-5613 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-01-202-5613 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-202-5613. Primary manufacturer part number: E-3373-2.
Features
  • Pump Unit,rotary — FSC 4320
  • 3 verified cross-references
  • 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 Unit,rotary, cataloged under National Stock Number 4320-01-202-5613, 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 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NamePump Unit,rotary
FSC / FSG4320 — No Item Name Available (FSG 43)
ManufacturersDover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer (CAGE 07524)
Technical Specifications
ParameterValue
NSN4320-01-202-5613
Primary Part NumberE-3373-2
Item NamePump Unit,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 10
4730-00-235-4077 INTERCHANGEABLE
Flange,pipe
4320-01-067-2766453201 INTERCHANGEABLE
Valve,pump
Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer
4320-01-130-2332023205 INTERCHANGEABLE
Housing,liquid Pump
Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer
4710-01-184-5527908422 INTERCHANGEABLE
Pipe Metallic,precut
Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer
4730-01-184-5528908420 INTERCHANGEABLE
Nipple,pipe
Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer
5340-01-185-6773423201 INTERCHANGEABLE
Seat,helical Compression Spring
Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer
4730-01-185-8136 INTERCHANGEABLE
Flange,pipe
4820-01-185-8228413201 INTERCHANGEABLE
Cap,valve
Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer
4730-01-186-8701 INTERCHANGEABLE
Flange,pipe
4320-01-299-0505023208 INTERCHANGEABLE
Housing,liquid Pump
Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer
Cross-Reference Index
Part NumberManufacturer
E-3373-2 PRIMARY Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer (USA)
N-MX1-103 SF Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer (USA)
E-3373 Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer (USA)
Related Parts
4730-00-235-4077INTERCHANGEABLE
FLANGE,PIPE
4320-01-067-2766INTERCHANGEABLE
VALVE,PUMP
453201
4320-01-130-2332INTERCHANGEABLE
HOUSING,LIQUID PUMP
023205
4710-01-184-5527INTERCHANGEABLE
PIPE METALLIC,PRECUT
908422
4730-01-184-5528INTERCHANGEABLE
NIPPLE,PIPE
908420
5340-01-185-6773INTERCHANGEABLE
SEAT,HELICAL COMPRESSION SPRING
423201
4730-01-185-8136INTERCHANGEABLE
FLANGE,PIPE
4820-01-185-8228INTERCHANGEABLE
CAP,VALVE
413201
4730-01-186-8701INTERCHANGEABLE
FLANGE,PIPE
4320-01-299-0505INTERCHANGEABLE
HOUSING,LIQUID PUMP
023208

Frequently Asked Questions

What is NSN 4320-01-202-5613?

NSN 4320-01-202-5613 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: active.

What are the part numbers for NSN 4320-01-202-5613?

NSN 4320-01-202-5613 has 3 cross-referenced part numbers: E-3373-2 (Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer), N-MX1-103 SF (Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer), E-3373 (Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer).

What NSN replaces 4320-01-202-5613?

There are 10 known substitutes for 4320-01-202-5613: 4730-00-235-4077, 4320-01-067-2766, 4320-01-130-2332 and 7 more. Verify interchangeability with system specifications before substitution.

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