PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

661178Transformer,radio Frequency

Lockheed Martin Corporation Div Rms - Mitchel Field · NSN 5950-00-474-5610 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-474-5610 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-474-5610. Primary manufacturer part number: 661178.
Features
  • Transformer,radio Frequency — FSC 5950
  • Terminal Type and Quantity: 3 TAB, SOLDER LUG
  • Body Length: 0.922 INCHES MAXIMUM IN
  • Distance Between Mounting Facility Centers: 0.719 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
  • Coil Form Type: SOLID SINGLE COMPONENT
  • Maximum Operating Temp: 105.0 CELSIUS DEGC
  • Inclosure Type: FULLY INCLOSED
  • Mounting Method: FLANGE AND UNTHREADED HOLE(S) SINGLE GROUP
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,radio Frequency, cataloged under National Stock Number 5950-00-474-5610, 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 Lockheed Martin Corporation Div Rms - Mitchel Field. Government technical data includes 13 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. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-474-5610
Primary Part Number661178
Item NameTransformer,radio Frequency
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerLockheed Martin Corporation Div Rms - Mitchel Field
StatusACTIVE
Terminal Type and Quantity3 TAB, SOLDER LUG
Body Length0.922 INCHES MAXIMUM IN
Distance Between Mounting Facility Centers0.719 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Coil Form TypeSOLID SINGLE COMPONENT
Maximum Operating Temp105.0 CELSIUS DEGC
Inclosure TypeFULLY INCLOSED
Mounting MethodFLANGE AND UNTHREADED HOLE(S) SINGLE GROUP
Body Outside Diameter0.622 INCHES MAXIMUM IN
Frequency Rating400.0 HERTZ NOMINAL SINGLE COMPONENT
Body Width0.703 INCHES MAXIMUM IN
Winding Function and Quantity1 PRIMARY SINGLE COMPONENT
Mounting Facility Quantity2 SINGLE GROUP
Reliability IndicatorNOT ESTABLISHED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
2520-00-350-2644 INTERCHANGEABLE
Spring
5985-00-617-3540RF0143 INTERCHANGEABLE
Coupler,directional
Lax Electronics, Inc. Dba Automatic Connector Div Automatic Connector
5975-00-782-11185728 INTERCHANGEABLE
Pin,insulator
Graybar Electric Company, Inc
1620-00-911-830666-1178 INTERCHANGEABLE
Bolt,trunnion Collar
The Boeing Company Div Commercial
5330-01-027-19655728 INTERCHANGEABLE
Gasket
Pentair Filtration Solutions, Llc
6105-01-061-27685728 INTERCHANGEABLE
Motor,alternating Current
Ge Aviation Systems Llc Dba Ge Aviation Systems Llc
5325-01-282-26595728 INTERCHANGEABLE
Ring,retaining
Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution
2540-01-384-6085C-1100-2-18 INTERCHANGEABLE
Blade,windshield Wiper
Cvg Sprague Devices, Llc Dba Cvg Sprague Devices, Llc
4730-01-385-91115728-G501 INTERCHANGEABLE
Trap,moisture
Howell Laboratories Inc Dba Howell Laboratories Inc
Cross-Reference Index
Part NumberManufacturer
5728 Precision Electronics, Inc (USA)
661178 PRIMARY Lockheed Martin Corporation Div Rms - Mitchel Field (USA)
Related Parts
2520-00-350-2644INTERCHANGEABLE
SPRING
5985-00-617-3540INTERCHANGEABLE
COUPLER,DIRECTIONAL
RF0143
5975-00-782-1118INTERCHANGEABLE
PIN,INSULATOR
5728
1620-00-911-8306INTERCHANGEABLE
BOLT,TRUNNION COLLAR
66-1178
5330-01-027-1965INTERCHANGEABLE
GASKET
5728
6105-01-061-2768INTERCHANGEABLE
MOTOR,ALTERNATING CURRENT
5728
5325-01-282-2659INTERCHANGEABLE
RING,RETAINING
5728
2540-01-384-6085INTERCHANGEABLE
BLADE,WINDSHIELD WIPER
C-1100-2-18
4730-01-385-9111INTERCHANGEABLE
TRAP,MOISTURE
5728-G501

Frequently Asked Questions

What is NSN 5950-00-474-5610?

NSN 5950-00-474-5610 is a Transformer,radio Frequency, manufactured by Lockheed Martin Corporation Div Rms - Mitchel Field, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-474-5610?

NSN 5950-00-474-5610 has 2 cross-referenced part numbers: 5728 (Precision Electronics, Inc), 661178 (Lockheed Martin Corporation Div Rms - Mitchel Field).

What NSN replaces 5950-00-474-5610?

There are 9 known substitutes for 5950-00-474-5610: 2520-00-350-2644, 5985-00-617-3540, 5975-00-782-1118 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 661178?

Key specifications for 661178: Terminal Type and Quantity: 3 TAB, SOLDER LUG; Body Length: 0.922 INCHES MAXIMUM IN; Distance Between Mounting Facility Centers: 0.719 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN; Coil Form Type: SOLID SINGLE COMPONENT. 13 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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