PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

PR3APump,rotary

Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer · NSN 4320-01-168-1637 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-01-168-1637 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-168-1637. Primary manufacturer part number: PR3A.
Features
  • Pump,rotary — FSC 4320
  • 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
General Description

The Pump,rotary, cataloged under National Stock Number 4320-01-168-1637, 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 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: 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
NSN4320-01-168-1637
Primary Part NumberPR3A
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 2
9905-00-202-36390100A INTERCHANGEABLE
Reflector,indicating,clearance
Grote Industries Inc Dba Grote Manufacturing Co Div Military Products
6130-01-436-7749PR7 INTERCHANGEABLE
Power Supply
Trippe Manufacturing Company Dba Tripp Lite
Cross-Reference Index
Part NumberManufacturer
PR3A PRIMARY Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer (USA)
E-4445 Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer (USA)
Related Parts
9905-00-202-3639INTERCHANGEABLE
REFLECTOR,INDICATING,CLEARANCE
0100A
6130-01-436-7749INTERCHANGEABLE
POWER SUPPLY
PR7

Frequently Asked Questions

What is NSN 4320-01-168-1637?

NSN 4320-01-168-1637 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 4320-01-168-1637?

NSN 4320-01-168-1637 has 2 cross-referenced part numbers: PR3A (Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer), E-4445 (Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer).

What NSN replaces 4320-01-168-1637?

There are 2 known substitutes for 4320-01-168-1637: 9905-00-202-3639, 6130-01-436-7749. Verify interchangeability with system specifications before substitution.

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