PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

12803Gear Rotor Set,rotary Pump

Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc. · NSN 4320-01-179-4402 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-01-179-4402 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-179-4402. Primary manufacturer part number: 12803.
Features
  • Gear Rotor Set,rotary Pump — FSC 4320
  • 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
  • Power transmission and speed reduction
  • Rotary motion transfer
General Description

The Gear Rotor Set,rotary Pump, cataloged under National Stock Number 4320-01-179-4402, 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.. 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.

Catalog Facts
Item NameGear Rotor Set,rotary Pump
FSC / FSG4320 — No Item Name Available (FSG 43)
ManufacturersMeggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc. (CAGE 58163); Howden Fluid Systems (CAGE 33654)
Technical Specifications
ParameterValue
NSN4320-01-179-4402
Primary Part Number12803
Item NameGear Rotor Set,rotary Pump
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerMeggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc.
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4820-00-036-164712803 INTERCHANGEABLE
Disk,valve
Leslie Controls, Inc. Dba Leslie Controls Inc
4730-00-287-1649 INTERCHANGEABLE
Elbow,pipe
5310-00-466-43621A753 INTERCHANGEABLE
Nut,plain,cap
Napco International Llc Dba Napco International Inc
5905-00-506-4202 INTERCHANGEABLE
Resistor Network,fixed,film
5136-00-580-715854767 INTERCHANGEABLE
Tap,thread Cutting
Tapco Cutting Tools Inc
5950-00-806-930812803 INTERCHANGEABLE
Transformer,power
Robert M. Hadley Company, Inc.
5310-00-843-3150 INTERCHANGEABLE
Washer,flat
5330-00-883-4664 INTERCHANGEABLE
Packing,preformed
5950-00-946-566015378 INTERCHANGEABLE
Transformer,power
Robert M. Hadley Company, Inc.
5360-01-142-0243 INTERCHANGEABLE
Spring,helical,compression
Cross-Reference Index
Part NumberManufacturer
12803 PRIMARY Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc. (USA)
15378 Howden Fluid Systems (USA)
Related Parts
4820-00-036-1647INTERCHANGEABLE
DISK,VALVE
12803
4730-00-287-1649INTERCHANGEABLE
ELBOW,PIPE
5310-00-466-4362INTERCHANGEABLE
NUT,PLAIN,CAP
1A753
5905-00-506-4202INTERCHANGEABLE
RESISTOR NETWORK,FIXED,FILM
5136-00-580-7158INTERCHANGEABLE
TAP,THREAD CUTTING
54767
5950-00-806-9308INTERCHANGEABLE
TRANSFORMER,POWER
12803
5310-00-843-3150INTERCHANGEABLE
WASHER,FLAT
5330-00-883-4664INTERCHANGEABLE
PACKING,PREFORMED
5950-00-946-5660INTERCHANGEABLE
TRANSFORMER,POWER
15378
5360-01-142-0243INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
4140-01-333-3201INTERCHANGEABLE
FAN,VENTILATING
15378
5340-01-350-7271INTERCHANGEABLE
BRACKET,MOUNTING
12803

Frequently Asked Questions

What is NSN 4320-01-179-4402?

NSN 4320-01-179-4402 is a Gear Rotor Set,rotary Pump, 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 4320-01-179-4402?

NSN 4320-01-179-4402 has 2 cross-referenced part numbers: 12803 (Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc.), 15378 (Howden Fluid Systems).

What NSN replaces 4320-01-179-4402?

There are 12 known substitutes for 4320-01-179-4402: 4820-00-036-1647, 4730-00-287-1649, 5310-00-466-4362 and 9 more. Verify interchangeability with system specifications before substitution.

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