PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

278-0660-000Transformer,radio Frequency

Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems · NSN 5950-00-931-7630 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-931-7630 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-931-7630. Primary manufacturer part number: 278-0660-000.
Features
  • Transformer,radio Frequency — FSC 5950
  • Reliability Indicator: NOT ESTABLISHED
  • Mounting Facility Quantity: 2 SINGLE GROUP
  • Terminal Type and Quantity: 4 PIN
  • Winding Function and Quantity: 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
  • Adjustment Device Drive Type: SLOTTED SCREW SINGLE COMPONENT
  • Body Height: 0.671 INCHES NOMINAL IN
  • 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 5950-00-931-7630, 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 14 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-931-7630
Primary Part Number278-0660-000
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
Reliability IndicatorNOT ESTABLISHED
Mounting Facility Quantity2 SINGLE GROUP
Terminal Type and Quantity4 PIN
Winding Function and Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Adjustment Device Drive TypeSLOTTED SCREW SINGLE COMPONENT
Body Height0.671 INCHES NOMINAL IN
Mounting MethodFLANGE AND UNTHREADED HOLE(S) SINGLE GROUP
Body Width0.490 INCHES NOMINAL IN
Body Length0.562 INCHES NOMINAL IN
Transformer FunctionINTERSTAGE
Frequency Rating3.1 MEGAHERTZ MAXIMUM SINGLE COMPONENT
Adjustment Method and Quantity1 ADJUSTABLE CORE SINGLE COMPONENT
Inclosure TypeFULLY INCLOSED
Mounting Hole Diameter0.093 INCHES NOMINAL SINGLE GROUP IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5310-00-010-30471024FC INTERCHANGEABLE
Nut,plain,castellated,hexagon
Abm Equipment, Llc
3110-00-156-34711837 INTERCHANGEABLE
Bearing,ball,annular
Skil Corp
3110-01-175-0422 INTERCHANGEABLE
Roller,bearing
Cross-Reference Index
Part NumberManufacturer
278-0660-000 PRIMARY Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA)
X421 Communication Coil, Inc. Div - (USA)
Related Parts
5310-00-010-3047INTERCHANGEABLE
NUT,PLAIN,CASTELLATED,HEXAGON
1024FC
3110-00-156-3471INTERCHANGEABLE
BEARING,BALL,ANNULAR
1837
3110-01-175-0422INTERCHANGEABLE
ROLLER,BEARING

Frequently Asked Questions

What is NSN 5950-00-931-7630?

NSN 5950-00-931-7630 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 5950-00-931-7630?

NSN 5950-00-931-7630 has 2 cross-referenced part numbers: 278-0660-000 (Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems), X421 (Communication Coil, Inc. Div -).

What NSN replaces 5950-00-931-7630?

There are 3 known substitutes for 5950-00-931-7630: 5310-00-010-3047, 3110-00-156-3471, 3110-01-175-0422. Verify interchangeability with system specifications before substitution.

What are the specifications of 278-0660-000?

Key specifications for 278-0660-000: Reliability Indicator: NOT ESTABLISHED; Mounting Facility Quantity: 2 SINGLE GROUP; Terminal Type and Quantity: 4 PIN; Winding Function and Quantity: 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT. 14 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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