PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

200422Rotor,pump

Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer · NSN 4320-00-590-8140 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-00-590-8140 — this item is cataloged by the U.S. Government under National Stock Number 4320-00-590-8140. Primary manufacturer part number: 200422.
Features
  • Rotor,pump — FSC 4320
  • Pump Design Control Activity: 07524
  • Material: COPPER ALLOY
  • 2 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
  • Applications requiring Copper Alloy construction
General Description

The Rotor,pump, cataloged under National Stock Number 4320-00-590-8140, 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 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4320-00-590-8140
Primary Part Number200422
Item NameRotor,pump
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerDover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer
StatusCANCELLED
Pump Design Control Activity07524
MaterialCOPPER ALLOY
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 2
5330-00-160-425420042-2 INTERCHANGEABLE
Retainer,packing
Thales Training & Simulation Inc
5310-00-350-406826440 INTERCHANGEABLE
Nut
Curtiss-Wright Controls, Inc. Div Actuation Division
Cross-Reference Index
Part NumberManufacturer
E3512 PIECE 13 Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer (USA)
200422 PRIMARY Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer (USA)
Related Parts
5330-00-160-4254INTERCHANGEABLE
RETAINER,PACKING
20042-2
5310-00-350-4068INTERCHANGEABLE
NUT
26440

Frequently Asked Questions

What is NSN 4320-00-590-8140?

NSN 4320-00-590-8140 is a Rotor,pump, 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 4320-00-590-8140?

NSN 4320-00-590-8140 has 2 cross-referenced part numbers: E3512 PIECE 13 (Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer), 200422 (Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer).

What NSN replaces 4320-00-590-8140?

There are 2 known substitutes for 4320-00-590-8140: 5330-00-160-4254, 5310-00-350-4068. Verify interchangeability with system specifications before substitution.

What are the specifications of 200422?

Key specifications for 200422: Pump Design Control Activity: 07524; Material: COPPER ALLOY; Special Features: HAND DRIVEN LUBE OIL PUMP. 3 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4320-00-590-8140 still in active supply?

NSN 4320-00-590-8140 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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