PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

278-0386-010Transformer,radio Frequency

Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems · NSN 5950-00-163-7141 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-163-7141 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-163-7141. Primary manufacturer part number: 278-0386-010.
Features
  • Transformer,radio Frequency — FSC 5950
  • Body Outside Diameter: 0.525 INCHES NOMINAL IN
  • Inclosure Type: FULLY INCLOSED
  • Coil Form Type: HOLLOW SINGLE COMPONENT
  • Terminal Type and Quantity: 4 PIN
  • Frequency Rating: 450.0 KILOHERTZ NOMINAL SINGLE COMPONENT
  • Body Length: 0.400 INCHES NOMINAL IN
  • Winding Function and Quantity: 1 PRIMARY, FIXED AUTOTRANSFORMER TYPE SINGLE COMPONENT
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,radio Frequency, cataloged under National Stock Number 5950-00-163-7141, 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 Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems. Government technical data includes 11 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. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-163-7141
Primary Part Number278-0386-010
Item NameTransformer,radio Frequency
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerRockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
StatusACTIVE
Body Outside Diameter0.525 INCHES NOMINAL IN
Inclosure TypeFULLY INCLOSED
Coil Form TypeHOLLOW SINGLE COMPONENT
Terminal Type and Quantity4 PIN
Frequency Rating450.0 KILOHERTZ NOMINAL SINGLE COMPONENT
Body Length0.400 INCHES NOMINAL IN
Winding Function and Quantity1 PRIMARY, FIXED AUTOTRANSFORMER TYPE SINGLE COMPONENT
Adjustment Device Drive TypeSLOTTED SCREW SINGLE COMPONENT
Adjustment Method and Quantity1 ADJUSTABLE CORE SINGLE COMPONENT
Mounting MethodTERMINAL SINGLE GROUP
Reliability IndicatorNOT ESTABLISHED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5360-00-006-3771 INTERCHANGEABLE
Spring,special
4730-00-012-79510112578 INTERCHANGEABLE
Plug,pipe
Rolls-Royce Solutions America Inc
4320-00-218-4478A249 INTERCHANGEABLE
Impeller,pump,centrifugal
Circor Naval Solutions Llc Dba Warren Pumps
5950-00-227-9143 INTERCHANGEABLE
Transformer,radio Frequency
5950-00-646-4103 INTERCHANGEABLE
Transformer,radio Frequency
6640-00-730-0309A1503-3 INTERCHANGEABLE
Pipet,dropping
Met-Pro Corporation
5999-00-772-19436307-3251505REV0ITEM3A INTERCHANGEABLE
Contact,electrical
Naval Ship Systems Command
Cross-Reference Index
Part NumberManufacturer
A249 Communication Coil, Inc. Div - (USA)
278-0386-010 PRIMARY Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA)
Related Parts
5360-00-006-3771INTERCHANGEABLE
SPRING,SPECIAL
4730-00-012-7951INTERCHANGEABLE
PLUG,PIPE
0112578
4320-00-218-4478INTERCHANGEABLE
IMPELLER,PUMP,CENTRIFUGAL
A249
5950-00-227-9143INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
5950-00-646-4103INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
6640-00-730-0309INTERCHANGEABLE
PIPET,DROPPING
A1503-3
5999-00-772-1943INTERCHANGEABLE
CONTACT,ELECTRICAL
6307-3251505REV0ITEM3A

Frequently Asked Questions

What is NSN 5950-00-163-7141?

NSN 5950-00-163-7141 is a Transformer,radio Frequency, manufactured by Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-163-7141?

NSN 5950-00-163-7141 has 2 cross-referenced part numbers: A249 (Communication Coil, Inc. Div -), 278-0386-010 (Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems).

What NSN replaces 5950-00-163-7141?

There are 7 known substitutes for 5950-00-163-7141: 5360-00-006-3771, 4730-00-012-7951, 4320-00-218-4478 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 278-0386-010?

Key specifications for 278-0386-010: Body Outside Diameter: 0.525 INCHES NOMINAL IN; Inclosure Type: FULLY INCLOSED; Coil Form Type: HOLLOW SINGLE COMPONENT; Terminal Type and Quantity: 4 PIN. 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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