PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

265141Rotor,pump

Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer · NSN 4320-01-138-2013 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-01-138-2013 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-138-2013. Primary manufacturer part number: 265141.
Features
  • Rotor,pump — FSC 4320
  • 5 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 Rotor,pump, cataloged under National Stock Number 4320-01-138-2013, 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 5 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameRotor,pump
FSC / FSG4320 — No Item Name Available (FSG 43)
ManufacturersDover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer (CAGE 07524)
Technical Specifications
ParameterValue
NSN4320-01-138-2013
Primary Part Number265141
Item NameRotor,pump
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 6
4720-00-624-4058 INTERCHANGEABLE
Hose,nonmetallic
4320-01-128-6157E-4325 INTERCHANGEABLE
Pump,rotary
Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer
6520-01-352-9546265141 INTERCHANGEABLE
Porcelain,dental
Ceramco Inc
5930-01-554-7065 INTERCHANGEABLE
Switch Subassembly
3040-01-606-875126-5124 INTERCHANGEABLE
Connecting Link,rigid
The Boeing Company Div Defense
5999-01-663-270442-61411 INTERCHANGEABLE
Shielding Gasket,electronic
Technical Wire Products, Llc Dba Twp
Cross-Reference Index
Part NumberManufacturer
265141 PRIMARY Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer (USA)
E-4325 ITEM 13 Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer (USA)
265124 Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer (USA)
E-4325 Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer (USA)
E-4182 ITEM 13 Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer (USA)
Related Parts
4720-00-624-4058INTERCHANGEABLE
HOSE,NONMETALLIC
4320-01-128-6157INTERCHANGEABLE
PUMP,ROTARY
E-4325
6520-01-352-9546INTERCHANGEABLE
PORCELAIN,DENTAL
265141
5930-01-554-7065INTERCHANGEABLE
SWITCH SUBASSEMBLY
3040-01-606-8751INTERCHANGEABLE
CONNECTING LINK,RIGID
26-5124
5999-01-663-2704INTERCHANGEABLE
SHIELDING GASKET,ELECTRONIC
42-61411

Frequently Asked Questions

What is NSN 4320-01-138-2013?

NSN 4320-01-138-2013 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: active.

What are the part numbers for NSN 4320-01-138-2013?

NSN 4320-01-138-2013 has 5 cross-referenced part numbers: 265141 (Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer), E-4325 ITEM 13 (Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer), 265124 (Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer), E-4325 (Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer), E-4182 ITEM 13 (Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer).

What NSN replaces 4320-01-138-2013?

There are 6 known substitutes for 4320-01-138-2013: 4720-00-624-4058, 4320-01-128-6157, 6520-01-352-9546 and 3 more. Verify interchangeability with system specifications before substitution.

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