PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

278-0447-030Transformer,radio Frequency

Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems · NSN 5950-01-321-7281 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-01-321-7281 — this item is cataloged by the U.S. Government under National Stock Number 5950-01-321-7281. Primary manufacturer part number: 278-0447-030.
Features
  • Transformer,radio Frequency — FSC 5950
  • Frequency Rating: 7.9 MEGAHERTZ NOMINAL SINGLE COMPONENT
  • Rating Method: ELECTRICAL AND WINDING TURNS SINGLE COMPONENT SINGLE PRIMARY OUTPUT
  • Turn Quantity: 8 SINGLE COMPONENT SINGLE PRIMARY INPUT
  • Winding Conductor Size: 0.00500 INCHES AMERICAN WIRE GAGE SINGLE COMPONENT SINGLE PRIMARY INPUT IN
  • Winding Conductor Size: 0.00500 INCHES AMERICAN WIRE GAGE SINGLE COMPONENT SINGLE PRIMARY OUTPUT IN
  • Inclosure Type: PARTIALLY INCLOSED
  • Rating Method: ELECTRICAL AND WINDING TURNS SINGLE COMPONENT SINGLE PRIMARY INPUT
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,radio Frequency, cataloged under National Stock Number 5950-01-321-7281, 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 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-01-321-7281
Primary Part Number278-0447-030
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
Frequency Rating7.9 MEGAHERTZ NOMINAL SINGLE COMPONENT
Rating MethodELECTRICAL AND WINDING TURNS SINGLE COMPONENT SINGLE PRIMARY OUTPUT
Turn Quantity8 SINGLE COMPONENT SINGLE PRIMARY INPUT
Winding Conductor Size0.00500 INCHES AMERICAN WIRE GAGE SINGLE COMPONENT SINGLE PRIMARY INPUT IN
Winding Conductor Size0.00500 INCHES AMERICAN WIRE GAGE SINGLE COMPONENT SINGLE PRIMARY OUTPUT IN
Inclosure TypePARTIALLY INCLOSED
Rating MethodELECTRICAL AND WINDING TURNS SINGLE COMPONENT SINGLE PRIMARY INPUT
Coil Form TypeSOLID SINGLE COMPONENT
Inductance Rating2.25 MICROHENRIES MINIMUM SINGLE COMPONENT SINGLE PRIMARY OUTPUT
Reliability IndicatorNOT ESTABLISHED
Mounting MethodTERMINAL SINGLE GROUP
Terminal Type and Quantity6 WIRE LEAD
Winding Function and Quantity1 PRIMARY, FIXED AUTOTRANSFORMER TYPE SINGLE COMPONENT
Inductance Rating2.25 MICROHENRIES MINIMUM SINGLE COMPONENT SINGLE PRIMARY INPUT
Turn Quantity8 SINGLE COMPONENT SINGLE PRIMARY OUTPUT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3120-00-213-0841 INTERCHANGEABLE
Bearing,sleeve
3030-00-293-8837BP79 INTERCHANGEABLE
Belt,v
Timken Smo Llc Dba Carlisle Belts
5915-00-501-31821448 INTERCHANGEABLE
Filter,radio Frequency Interfere
Cornell-Dubilier Marketing Inc
3120-00-580-0467B11-9 INTERCHANGEABLE
Bearing,sleeve
Roller Bearing Co of America, Inc Div Pic Design
3030-00-961-0935B79 INTERCHANGEABLE
Belts,v,matched Set
Carlisle Power Transmission Products Inc
6910-01-189-2252B79 INTERCHANGEABLE
Algae,green Mixed
Carolina Biological Supply Co
6530-01-257-5088A-507 INTERCHANGEABLE
Urinal,incontinent
Medical Marketing Group Inc Manufacturing Div
5360-01-277-2136B79 INTERCHANGEABLE
Spring Special
Arcosa Marine Components, Llc
5360-01-320-426612576933 INTERCHANGEABLE
Spring,helical,compression
Army, United States Department of the Dba Watervliet Arsenal Div Business Development
6130-01-382-2220TC-25-120 INTERCHANGEABLE
Power Supply Subassembly
Custom Power, Ltd.
Cross-Reference Index
Part NumberManufacturer
A507 Communication Coil, Inc. Div - (USA)
B79 Aunyx Mfg Corp (USA)
278-0447-030 PRIMARY Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA)
278-0447-030 Prem Magnetics Inc (USA)
Related Parts
3120-00-213-0841INTERCHANGEABLE
BEARING,SLEEVE
3030-00-293-8837INTERCHANGEABLE
BELT,V
BP79
5915-00-501-3182INTERCHANGEABLE
FILTER,RADIO FREQUENCY INTERFERE
1448
3120-00-580-0467INTERCHANGEABLE
BEARING,SLEEVE
B11-9
3030-00-961-0935INTERCHANGEABLE
BELTS,V,MATCHED SET
B79
6910-01-189-2252INTERCHANGEABLE
ALGAE,GREEN MIXED
B79
6530-01-257-5088INTERCHANGEABLE
URINAL,INCONTINENT
A-507
5360-01-277-2136INTERCHANGEABLE
SPRING SPECIAL
B79
5360-01-320-4266INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
12576933
6130-01-382-2220INTERCHANGEABLE
POWER SUPPLY SUBASSEMBLY
TC-25-120
5999-01-439-6920INTERCHANGEABLE
HEATER,THERMAL RELEASE
B79
6250-01-500-0791INTERCHANGEABLE
LAMPHOLDER
A507

Frequently Asked Questions

What is NSN 5950-01-321-7281?

NSN 5950-01-321-7281 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 5950-01-321-7281?

NSN 5950-01-321-7281 has 4 cross-referenced part numbers: A507 (Communication Coil, Inc. Div -), B79 (Aunyx Mfg Corp), 278-0447-030 (Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems), 278-0447-030 (Prem Magnetics Inc).

What NSN replaces 5950-01-321-7281?

There are 12 known substitutes for 5950-01-321-7281: 3120-00-213-0841, 3030-00-293-8837, 5915-00-501-3182 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 278-0447-030?

Key specifications for 278-0447-030: Frequency Rating: 7.9 MEGAHERTZ NOMINAL SINGLE COMPONENT; Rating Method: ELECTRICAL AND WINDING TURNS SINGLE COMPONENT SINGLE PRIMARY OUTPUT; Turn Quantity: 8 SINGLE COMPONENT SINGLE PRIMARY INPUT; Winding Conductor Size: 0.00500 INCHES AMERICAN WIRE GAGE SINGLE COMPONENT SINGLE PRIMARY INPUT IN. 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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