PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

261840Rotor and Shaft Pump Assembly

Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer · NSN 4320-00-915-2653 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-00-915-2653 — this item is cataloged by the U.S. Government under National Stock Number 4320-00-915-2653. Primary manufacturer part number: 261840.
Features
  • Rotor and Shaft Pump Assembly — 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 Rotor and Shaft Pump Assembly, cataloged under National Stock Number 4320-00-915-2653, 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 NameRotor and Shaft Pump Assembly
FSC / FSG4320 — No Item Name Available (FSG 43)
ManufacturersDover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer (CAGE 07524)
Technical Specifications
ParameterValue
NSN4320-00-915-2653
Primary Part Number261840
Item NameRotor and Shaft Pump Assembly
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
3020-01-285-142126-1840 INTERCHANGEABLE
Pulley,groove
Toro Co the
6510-01-514-4581 INTERCHANGEABLE
Bandage,adhesive
6515-01-613-00438696G INTERCHANGEABLE
Suture,nonabsorbable,surgical
Ethicon Us Llc Div Ethicon
Cross-Reference Index
Part NumberManufacturer
261840 PRIMARY Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer (USA)
Related Parts
3020-01-285-1421INTERCHANGEABLE
PULLEY,GROOVE
26-1840
6510-01-514-4581INTERCHANGEABLE
BANDAGE,ADHESIVE
6515-01-613-0043INTERCHANGEABLE
SUTURE,NONABSORBABLE,SURGICAL
8696G

Frequently Asked Questions

What is NSN 4320-00-915-2653?

NSN 4320-00-915-2653 is a Rotor and Shaft Pump Assembly, 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 4320-00-915-2653?

NSN 4320-00-915-2653 has 1 cross-referenced part number: 261840 (Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer).

What NSN replaces 4320-00-915-2653?

There are 3 known substitutes for 4320-00-915-2653: 3020-01-285-1421, 6510-01-514-4581, 6515-01-613-0043. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com