PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

12C1Transformer,radio Frequency

Millen Mfg Co · NSN 5950-00-648-1186 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-648-1186 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-648-1186. Primary manufacturer part number: 12C1.
Features
  • Transformer,radio Frequency — FSC 5950
  • Reliability Indicator: NOT ESTABLISHED
  • Frequency Rating: 455.0 KILOHERTZ MAXIMUM SINGLE COMPONENT
  • Winding Function and Quantity: 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
  • Body Width: 0.750 INCHES NOMINAL IN
  • Inclosure Type: FULLY INCLOSED
  • Terminal Type and Quantity: 4 TAB, SOLDER LUG
  • Mounting Method: CLIP 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 5950-00-648-1186, 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 Millen Mfg Co. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-648-1186
Primary Part Number12C1
Item NameTransformer,radio Frequency
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerMillen Mfg Co
StatusACTIVE
Reliability IndicatorNOT ESTABLISHED
Frequency Rating455.0 KILOHERTZ MAXIMUM SINGLE COMPONENT
Winding Function and Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Body Width0.750 INCHES NOMINAL IN
Inclosure TypeFULLY INCLOSED
Terminal Type and Quantity4 TAB, SOLDER LUG
Mounting MethodCLIP SINGLE GROUP
Transformer FunctionINPUT
Body Length0.750 INCHES NOMINAL IN
Body Height2.125 INCHES NOMINAL IN
Coil Form TypeSOLID SINGLE COMPONENT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
6240-00-246-5059 INTERCHANGEABLE
Lamp,incandescent
Cross-Reference Index
Part NumberManufacturer
12C1 Millen Mfg Co (USA)
Related Parts
6240-00-246-5059INTERCHANGEABLE
LAMP,INCANDESCENT

Frequently Asked Questions

What is NSN 5950-00-648-1186?

NSN 5950-00-648-1186 is a Transformer,radio Frequency, manufactured by Millen Mfg Co, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-648-1186?

NSN 5950-00-648-1186 has 1 cross-referenced part number: 12C1 (Millen Mfg Co).

What NSN replaces 5950-00-648-1186?

There is 1 known substitute for 5950-00-648-1186: 6240-00-246-5059. Verify interchangeability with system specifications before substitution.

What are the specifications of 12C1?

Key specifications for 12C1: Reliability Indicator: NOT ESTABLISHED; Frequency Rating: 455.0 KILOHERTZ MAXIMUM SINGLE COMPONENT; Winding Function and Quantity: 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT; Body Width: 0.750 INCHES NOMINAL IN. 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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