PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

5267Impeller,pump,centrifugal

Oberdorfer Pumps Inc · NSN 4320-01-163-0859 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-01-163-0859 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-163-0859. Primary manufacturer part number: 5267.
Features
  • Impeller,pump,centrifugal — FSC 4320
  • Material: COPPER ALLOY
  • Overall Diameter: 3.750 INCHES NOMINAL IN
  • 2 verified cross-references
  • Primary manufacturer: Oberdorfer Pumps Inc
Applications
  • Fluid transfer and circulation
  • Cooling system maintenance
  • Industrial process pumping
  • Applications requiring Copper Alloy construction
General Description

The Impeller,pump,centrifugal, cataloged under National Stock Number 4320-01-163-0859, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Oberdorfer Pumps Inc. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4320-01-163-0859
Primary Part Number5267
Item NameImpeller,pump,centrifugal
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerOberdorfer Pumps Inc
StatusACTIVE
MaterialCOPPER ALLOY
Overall Diameter3.750 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5305-00-143-0648 INTERCHANGEABLE
Screw,machine
3110-00-158-60145267 INTERCHANGEABLE
Bearing,roller,cylindrical
Mitsubishi Caterpillar Forklift America, Inc
3020-00-268-42023T5446 INTERCHANGEABLE
Gear,helical
Volvo Trucks North America, Inc. Dba (foreign Parent Is Volvo Lastvagnar Ab, Goteborg, Sweden.)
2940-00-371-33341C7196 INTERCHANGEABLE
Body,oil Filter
Napco International Llc Dba Napco International Inc
5950-00-488-4789516-0023 INTERCHANGEABLE
Transformer,pulse
Continental Electronics Corp
6135-00-542-621610M INTERCHANGEABLE
Battery,nonrechargeable
Bright Star Industries Inc
5935-00-577-02375267 INTERCHANGEABLE
Connector,plug,electrical
Hubbell Incorporated (delaware) Dba Wiring Device-Kellems Division
5950-00-681-75111857534 INTERCHANGEABLE
Transformer,power
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
6920-00-785-1150 INTERCHANGEABLE
Springcamshaft
5935-01-005-3579 INTERCHANGEABLE
Connector,plug,electrical
Cross-Reference Index
Part NumberManufacturer
C5267 Oberdorfer Foundries Inc (USA)
5267 PRIMARY Oberdorfer Pumps Inc (USA)
Related Parts
5305-00-143-0648INTERCHANGEABLE
SCREW,MACHINE
3110-00-158-6014INTERCHANGEABLE
BEARING,ROLLER,CYLINDRICAL
5267
3020-00-268-4202INTERCHANGEABLE
GEAR,HELICAL
3T5446
2940-00-371-3334INTERCHANGEABLE
BODY,OIL FILTER
1C7196
5950-00-488-4789INTERCHANGEABLE
TRANSFORMER,PULSE
516-0023
6135-00-542-6216INTERCHANGEABLE
BATTERY,NONRECHARGEABLE
10M
5935-00-577-0237INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
5267
5950-00-681-7511INTERCHANGEABLE
TRANSFORMER,POWER
1857534
6920-00-785-1150INTERCHANGEABLE
SPRINGCAMSHAFT
5935-01-005-3579INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
5330-01-066-9423INTERCHANGEABLE
PACKING WITH RETAINER
5267
7530-01-349-4462INTERCHANGEABLE
LABEL
AVE5267

Frequently Asked Questions

What is NSN 4320-01-163-0859?

NSN 4320-01-163-0859 is a Impeller,pump,centrifugal, manufactured by Oberdorfer Pumps Inc, classified under FSC 4320 (No Item Name Available). Status: active.

What are the part numbers for NSN 4320-01-163-0859?

NSN 4320-01-163-0859 has 2 cross-referenced part numbers: C5267 (Oberdorfer Foundries Inc), 5267 (Oberdorfer Pumps Inc).

What NSN replaces 4320-01-163-0859?

There are 12 known substitutes for 4320-01-163-0859: 5305-00-143-0648, 3110-00-158-6014, 3020-00-268-4202 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 5267?

Key specifications for 5267: Material: COPPER ALLOY; Overall Diameter: 3.750 INCHES NOMINAL IN; End Item Identification: OBERDORFER CENTRIFUGAL PUMP,3/4 HP,MODEL 700C. 3 total characteristics are documented in the Federal Logistics Information System.

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