PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2525-1Pump,centrifugal

Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc. · NSN 4320-01-331-1678 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-01-331-1678 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-331-1678. Primary manufacturer part number: 2525-1.
Features
  • Pump,centrifugal — FSC 4320
  • Maximum Discharge Flow Rate: 125.0 GALLONS PER MINUTE
  • Discharge Pressure: 5.0 COMPREHENSIVE PROCUREMENT GUIDELINE - CONSTRUCTION PRODUCTS - CEMENT AND CONCRETE CONTAINING SILICA FUME
  • Pumping Element Operating Position: HORIZONTAL
  • Pump Rotation Direction: COUNTERCLOCKWISE
  • Stage Quantity: 1
  • 2 verified cross-references
  • Primary manufacturer: Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc.
Applications
  • Fluid transfer and circulation
  • Cooling system maintenance
  • Industrial process pumping
General Description

The Pump,centrifugal, cataloged under National Stock Number 4320-01-331-1678, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc.. Government technical data includes 5 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. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4320-01-331-1678
Primary Part Number2525-1
Item NamePump,centrifugal
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerMeggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc.
StatusACTIVE
Maximum Discharge Flow Rate125.0 GALLONS PER MINUTE
Discharge Pressure5.0 COMPREHENSIVE PROCUREMENT GUIDELINE - CONSTRUCTION PRODUCTS - CEMENT AND CONCRETE CONTAINING SILICA FUME
Pumping Element Operating PositionHORIZONTAL
Pump Rotation DirectionCOUNTERCLOCKWISE
Stage Quantity1
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
5996-00-137-676325251 INTERCHANGEABLE
Amplifier,parametric
Eaton Corp Information Management Systems Div Microwave Components
3020-00-466-4241 INTERCHANGEABLE
Gear,helical
5935-00-518-69626275 INTERCHANGEABLE
Connector,plug,electrical
Amphenol Corporation Div Amphenol Rf
6625-00-773-3506 INTERCHANGEABLE
Shunt,instrument
5325-00-804-5043 INTERCHANGEABLE
Ring,retaining
4530-00-953-506737219B3-1-18 INTERCHANGEABLE
Atomizer Cleaning Base Assembly
Todd Combustion Inc
4530-01-030-5440B-14-1-9 INTERCHANGEABLE
Burner Vise Bracket
Todd Combustion Inc
7045-01-443-33463174AS2641 INTERCHANGEABLE
Disk,flexible
Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier
5980-01-485-7169 INTERCHANGEABLE
Light Emitting Diode
5340-01-579-8807 INTERCHANGEABLE
Bracket,mounting
Cross-Reference Index
Part NumberManufacturer
2525-1 PRIMARY Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc. (USA)
2525-1 Howden Fluid Systems (USA)
Related Parts
5996-00-137-6763INTERCHANGEABLE
AMPLIFIER,PARAMETRIC
25251
3020-00-466-4241INTERCHANGEABLE
GEAR,HELICAL
5935-00-518-6962INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
6275
6625-00-773-3506INTERCHANGEABLE
SHUNT,INSTRUMENT
5325-00-804-5043INTERCHANGEABLE
RING,RETAINING
4530-00-953-5067INTERCHANGEABLE
ATOMIZER CLEANING BASE ASSEMBLY
37219B3-1-18
4530-01-030-5440INTERCHANGEABLE
BURNER VISE BRACKET
B-14-1-9
7045-01-443-3346INTERCHANGEABLE
DISK,FLEXIBLE
3174AS2641
5980-01-485-7169INTERCHANGEABLE
LIGHT EMITTING DIODE
5340-01-579-8807INTERCHANGEABLE
BRACKET,MOUNTING

Frequently Asked Questions

What is NSN 4320-01-331-1678?

NSN 4320-01-331-1678 is a Pump,centrifugal, manufactured by Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc., classified under FSC 4320 (No Item Name Available). Status: active.

What are the part numbers for NSN 4320-01-331-1678?

NSN 4320-01-331-1678 has 2 cross-referenced part numbers: 2525-1 (Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc.), 2525-1 (Howden Fluid Systems).

What NSN replaces 4320-01-331-1678?

There are 10 known substitutes for 4320-01-331-1678: 5996-00-137-6763, 3020-00-466-4241, 5935-00-518-6962 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2525-1?

Key specifications for 2525-1: Maximum Discharge Flow Rate: 125.0 GALLONS PER MINUTE; End Item Identification: POWER AND HAND PUMPS; Discharge Pressure: 5.0 COMPREHENSIVE PROCUREMENT GUIDELINE - CONSTRUCTION PRODUCTS - CEMENT AND CONCRETE CONTAINING SILICA FUME; Pumping Element Operating Position: HORIZONTAL. 6 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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