PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

12561Reactor

Oeco, Llc Dba Pacific Scientific Oeco Div Fire Safety and Power Systems · NSN 5950-00-567-4476 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-567-4476 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-567-4476. Primary manufacturer part number: 12561.
Features
  • Reactor — FSC 5950
  • Terminal Type and Quantity: 5 TURRET
  • Frequency Rating: 1.0 KILOHERTZ NOMINAL SINGLE COMPONENT
  • Body Outside Diameter: 1.280 INCHES MAXIMUM IN
  • Winding Quantity: 1 SINGLE COMPONENT
  • Mounting Facility Quantity: 1 SINGLE GROUP
  • Inclosure Type: FULLY INCLOSED
  • Inductance Type: FIXED
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Reactor, cataloged under National Stock Number 5950-00-567-4476, is classified within Federal Supply Class 5950 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Oeco, Llc Dba Pacific Scientific Oeco Div Fire Safety and Power Systems. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). 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
NSN5950-00-567-4476
Primary Part Number12561
Item NameReactor
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerOeco, Llc Dba Pacific Scientific Oeco Div Fire Safety and Power Systems
StatusACTIVE
Terminal Type and Quantity5 TURRET
Frequency Rating1.0 KILOHERTZ NOMINAL SINGLE COMPONENT
Body Outside Diameter1.280 INCHES MAXIMUM IN
Winding Quantity1 SINGLE COMPONENT
Mounting Facility Quantity1 SINGLE GROUP
Inclosure TypeFULLY INCLOSED
Inductance TypeFIXED
Overall Diameter1.467 INCHES MAXIMUM IN
Body Length0.750 INCHES MAXIMUM IN
Mounting Hole Diameter0.146 INCHES MINIMUM AND 0.166 INCHES MAXIMUM SINGLE GROUP IN
Mounting MethodUNTHREADED HOLE(S) SINGLE GROUP
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
5985-00-060-2043580R064H01 INTERCHANGEABLE
Dummy Load,electrical
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
5110-00-203-4936 INTERCHANGEABLE
File,hand
5950-00-421-9286PS76264-1 INTERCHANGEABLE
Reactor
Rockwell Collins, Inc. Dba Rc Displays Systems
5945-00-511-03401256-1 INTERCHANGEABLE
Relay,electromagnetic
Naval Air Warfare Center Aircraft Division Joint Base Jbmdl
5120-00-632-973112561 INTERCHANGEABLE
Wrench,compressor N
Stanley Industrial & Automotive Llc
5120-00-869-6987 INTERCHANGEABLE
Bit,male Contact Re
1377-01-102-89631256-1 INTERCHANGEABLE
Initiator,propellant Actuated
Rockwell Collins Inc
6140-01-225-5935PS-670 INTERCHANGEABLE
Battery,storage
Power-Sonic Corporation
5340-01-349-317612561 INTERCHANGEABLE
Cover,access
DP Manufacturing Inc.
5330-01-367-2292125-61 INTERCHANGEABLE
Seal,plain
Rix Industries
Cross-Reference Index
Part NumberManufacturer
A51S29124-1 Northrop Grumman Systems Corporation (USA)
12561 PRIMARY Oeco, Llc Dba Pacific Scientific Oeco Div Fire Safety and Power Systems (USA)
A51S29124-1 Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Northrop Grumman Aeronautics Systems (USA)
A51S29124-1 Northrop Grumman Systems Corporation (USA)
Related Parts
5985-00-060-2043INTERCHANGEABLE
DUMMY LOAD,ELECTRICAL
580R064H01
5110-00-203-4936INTERCHANGEABLE
FILE,HAND
5950-00-421-9286INTERCHANGEABLE
REACTOR
PS76264-1
5945-00-511-0340INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
1256-1
5120-00-632-9731INTERCHANGEABLE
WRENCH,COMPRESSOR N
12561
5120-00-869-6987INTERCHANGEABLE
BIT,MALE CONTACT RE
1377-01-102-8963INTERCHANGEABLE
INITIATOR,PROPELLANT ACTUATED
1256-1
6140-01-225-5935INTERCHANGEABLE
BATTERY,STORAGE
PS-670
5340-01-349-3176INTERCHANGEABLE
COVER,ACCESS
12561
5330-01-367-2292INTERCHANGEABLE
SEAL,PLAIN
125-61
4320-01-367-4063INTERCHANGEABLE
SEAL ASSEMBLY,SHAFT,SPRING LOADE
12561

Frequently Asked Questions

What is NSN 5950-00-567-4476?

NSN 5950-00-567-4476 is a Reactor, manufactured by Oeco, Llc Dba Pacific Scientific Oeco Div Fire Safety and Power Systems, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-567-4476?

NSN 5950-00-567-4476 has 4 cross-referenced part numbers: A51S29124-1 (Northrop Grumman Systems Corporation), 12561 (Oeco, Llc Dba Pacific Scientific Oeco Div Fire Safety and Power Systems), A51S29124-1 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Northrop Grumman Aeronautics Systems), A51S29124-1 (Northrop Grumman Systems Corporation).

What NSN replaces 5950-00-567-4476?

There are 11 known substitutes for 5950-00-567-4476: 5985-00-060-2043, 5110-00-203-4936, 5950-00-421-9286 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 12561?

Key specifications for 12561: Terminal Type and Quantity: 5 TURRET; Frequency Rating: 1.0 KILOHERTZ NOMINAL SINGLE COMPONENT; Body Outside Diameter: 1.280 INCHES MAXIMUM IN; Winding Quantity: 1 SINGLE COMPONENT. 11 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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