PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

16631Rotor,pump

Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc. · NSN 4320-01-289-7999 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-01-289-7999 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-289-7999. Primary manufacturer part number: 16631.
Features
  • Rotor,pump — FSC 4320
  • 4 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 Rotor,pump, cataloged under National Stock Number 4320-01-289-7999, 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 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4320-01-289-7999
Primary Part Number16631
Item NameRotor,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 11
4140-00-024-55551663-1 INTERCHANGEABLE
Impeller,fan,axial
Ashland Electric Products Inc
5330-00-355-2559A587X3 INTERCHANGEABLE
Ring,wiper
David Brown Hydraulics Inc Dba Hydreco
5330-00-383-6096 INTERCHANGEABLE
Gasket Set
5330-00-424-545616-631 INTERCHANGEABLE
Gasket
Dresser Industries Inc Leroi Div
3120-00-656-72601663-1 INTERCHANGEABLE
Bearing,washer,thrust
Eaton Aerospace, Llc Dba Jackson South
5915-00-919-4551SM-B-544657 INTERCHANGEABLE
Filter,radio Frequency Interfere
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5306-01-194-4961250-16514 PC 18 INTERCHANGEABLE
Bolt,machine
Moog Inc. Dba Ampac-Isp Corp
5995-01-242-6504506-836-04 INTERCHANGEABLE
Cable Assembly,power,electrical
Nortech Systems Inc Dba Aerospace Systems Div Nortech Systems - Aerospace Systems Division
5950-01-480-211016631 INTERCHANGEABLE
Coil,electrical
Standex Electronics, Inc.
5365-01-548-4405DPS-4 INTERCHANGEABLE
Spacer Shamban
Ordnance Technology Service, Inc.
Cross-Reference Index
Part NumberManufacturer
16631 Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc. (USA)
H16631 Meggitt Defense Systems, Inc. Dba Meggitt Defense Systems Inc (USA)
H16631 Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc. (USA)
16631 Howden Fluid Systems (USA)
Related Parts
4140-00-024-5555INTERCHANGEABLE
IMPELLER,FAN,AXIAL
1663-1
5330-00-355-2559INTERCHANGEABLE
RING,WIPER
A587X3
5330-00-383-6096INTERCHANGEABLE
GASKET SET
5330-00-424-5456INTERCHANGEABLE
GASKET
16-631
3120-00-656-7260INTERCHANGEABLE
BEARING,WASHER,THRUST
1663-1
5915-00-919-4551INTERCHANGEABLE
FILTER,RADIO FREQUENCY INTERFERE
SM-B-544657
5306-01-194-4961INTERCHANGEABLE
BOLT,MACHINE
250-16514 PC 18
5995-01-242-6504INTERCHANGEABLE
CABLE ASSEMBLY,POWER,ELECTRICAL
506-836-04
5950-01-480-2110INTERCHANGEABLE
COIL,ELECTRICAL
16631
5365-01-548-4405INTERCHANGEABLE
SPACER SHAMBAN
DPS-4
6515-01-584-1209INTERCHANGEABLE
PLATE SET,BONE,COMPRESSION
105.272

Frequently Asked Questions

What is NSN 4320-01-289-7999?

NSN 4320-01-289-7999 is a Rotor,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 4320-01-289-7999?

NSN 4320-01-289-7999 has 4 cross-referenced part numbers: 16631 (Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc.), H16631 (Meggitt Defense Systems, Inc. Dba Meggitt Defense Systems Inc), H16631 (Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc.), 16631 (Howden Fluid Systems).

What NSN replaces 4320-01-289-7999?

There are 11 known substitutes for 4320-01-289-7999: 4140-00-024-5555, 5330-00-355-2559, 5330-00-383-6096 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 16631?

Key specifications for 16631: End Item Identification: PUMP CTFGL-125GPM-25PSI-RPM MCC VLT. 1 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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