PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3178130-1Reactor

Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier · NSN 5950-01-121-7673 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-01-121-7673 — this item is cataloged by the U.S. Government under National Stock Number 5950-01-121-7673. Primary manufacturer part number: 3178130-1.
Features
  • Reactor — FSC 5950
  • Inductance Rating: 250.00 MICROHENRIES MINIMUM AND 275.00 MICROHENRIES MAXIMUM SINGLE COMPONENT SINGLE WINDING
  • Mounting Hole Diameter: 0.175 INCHES NOMINAL SINGLE GROUP IN
  • Terminal Type and Quantity: 2 TAB, SOLDER LUG
  • Mounting Facility Quantity: 1 SINGLE GROUP
  • Frequency Rating: 3.0 KILOHERTZ NOMINAL SINGLE COMPONENT
  • Mounting Method: UNTHREADED HOLE(S) SINGLE GROUP
  • Body Length: 0.900 INCHES NOMINAL IN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Reactor, cataloged under National Stock Number 5950-01-121-7673, 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 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-01-121-7673
Primary Part Number3178130-1
Item NameReactor
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerNavair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
StatusACTIVE
Inductance Rating250.00 MICROHENRIES MINIMUM AND 275.00 MICROHENRIES MAXIMUM SINGLE COMPONENT SINGLE WINDING
Mounting Hole Diameter0.175 INCHES NOMINAL SINGLE GROUP IN
Terminal Type and Quantity2 TAB, SOLDER LUG
Mounting Facility Quantity1 SINGLE GROUP
Frequency Rating3.0 KILOHERTZ NOMINAL SINGLE COMPONENT
Mounting MethodUNTHREADED HOLE(S) SINGLE GROUP
Body Length0.900 INCHES NOMINAL IN
Body Outside Diameter1.500 INCHES NOMINAL IN
Winding Quantity1 SINGLE COMPONENT
DC Resistance Rating in Ohms0.030 SINGLE COMPONENT SINGLE WINDING
Reliability IndicatorNOT ESTABLISHED
Inclosure TypeHERMETICALLY SEALED
Inductance TypeSWINGING
Winding Operating Current1.5 AMPERES DC MINIMUM AND 3.0 AMPERES DC MAXIMUM SINGLE COMPONENT SINGLE WINDING
Rating MethodELECTRICAL SINGLE COMPONENT SINGLE WINDING
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5325-00-200-404544360 INTERCHANGEABLE
Ring,retaining
Eaton Aerospace, Llc Dba Jackson South
2990-00-211-5034J3220182 INTERCHANGEABLE
Pipe,exhaust
Chrysler Corp Engine and Components Sales Diversified Products Div
4720-01-011-6631 INTERCHANGEABLE
Hose Assembly,nonmetallic
2510-01-434-525840516 INTERCHANGEABLE
Hinge,door,vehicular
Eagle Industrial Truck Manufacturing, L.l.c. Div Eagle Industrial Truck Mfg Llc Dba Eagle Tugs
3040-01-434-721549696 INTERCHANGEABLE
Connecting Link,rigid
Kidron Division of Vt Svc
Cross-Reference Index
Part NumberManufacturer
WF-2556 Wems Electronics Transformer Group (USA)
WF-2556 Magnetika Inc (USA)
3178130-1 PRIMARY Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
K6272 Keytronics, Inc. Div Api Technologies Corp- Magnetics (USA)
44360 Freed Transformer Co (USA)
Related Parts
5325-00-200-4045INTERCHANGEABLE
RING,RETAINING
44360
2990-00-211-5034INTERCHANGEABLE
PIPE,EXHAUST
J3220182
4720-01-011-6631INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
2510-01-434-5258INTERCHANGEABLE
HINGE,DOOR,VEHICULAR
40516
3040-01-434-7215INTERCHANGEABLE
CONNECTING LINK,RIGID
49696

Frequently Asked Questions

What is NSN 5950-01-121-7673?

NSN 5950-01-121-7673 is a Reactor, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-01-121-7673?

NSN 5950-01-121-7673 has 5 cross-referenced part numbers: WF-2556 (Wems Electronics Transformer Group), WF-2556 (Magnetika Inc), 3178130-1 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), K6272 (Keytronics, Inc. Div Api Technologies Corp- Magnetics), 44360 (Freed Transformer Co).

What NSN replaces 5950-01-121-7673?

There are 5 known substitutes for 5950-01-121-7673: 5325-00-200-4045, 2990-00-211-5034, 4720-01-011-6631 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 3178130-1?

Key specifications for 3178130-1: Inductance Rating: 250.00 MICROHENRIES MINIMUM AND 275.00 MICROHENRIES MAXIMUM SINGLE COMPONENT SINGLE WINDING; Mounting Hole Diameter: 0.175 INCHES NOMINAL SINGLE GROUP IN; Terminal Type and Quantity: 2 TAB, SOLDER LUG; Mounting Facility Quantity: 1 SINGLE GROUP. 15 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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