PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

278-0450-040Transformer,radio Frequency

Tecal Manufacturing, L.l.c · NSN 5950-01-269-3280 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-01-269-3280 — this item is cataloged by the U.S. Government under National Stock Number 5950-01-269-3280. Primary manufacturer part number: 278-0450-040.
Features
  • Transformer,radio Frequency — FSC 5950
  • Maximum Operating Temp: 125.0 CELSIUS DEGC
  • Rating Method: WINDING TURNS SINGLE COMPONENT SINGLE SECONDARY
  • Winding Conductor Size: 0.00631 INCHES AMERICAN WIRE GAGE SINGLE COMPONENT SINGLE PRIMARY IN
  • Mounting Method: TERMINAL SINGLE GROUP
  • Frequency Rating: 225.0 MEGAHERTZ MINIMUM AND 378.0 MEGAHERTZ MAXIMUM SINGLE COMPONENT
  • Transformer Function: OUTPUT
  • Inclosure Type: OPEN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,radio Frequency, cataloged under National Stock Number 5950-01-269-3280, 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 Tecal Manufacturing, L.l.c. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-01-269-3280
Primary Part Number278-0450-040
Item NameTransformer,radio Frequency
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerTecal Manufacturing, L.l.c
StatusACTIVE
Maximum Operating Temp125.0 CELSIUS DEGC
Rating MethodWINDING TURNS SINGLE COMPONENT SINGLE SECONDARY
Winding Conductor Size0.00631 INCHES AMERICAN WIRE GAGE SINGLE COMPONENT SINGLE PRIMARY IN
Mounting MethodTERMINAL SINGLE GROUP
Frequency Rating225.0 MEGAHERTZ MINIMUM AND 378.0 MEGAHERTZ MAXIMUM SINGLE COMPONENT
Transformer FunctionOUTPUT
Inclosure TypeOPEN
Reliability IndicatorNOT ESTABLISHED
Hazardous Locations/environmental ProtectionMOISTURE RESISTANT
Rating MethodWINDING TURNS SINGLE COMPONENT SINGLE PRIMARY
Coil Form TypeSOLID SINGLE COMPONENT
Winding Conductor Size0.00397 INCHES AMERICAN WIRE GAGE SINGLE COMPONENT SINGLE SECONDARY IN
Turn Quantity7 SINGLE COMPONENT SINGLE PRIMARY
Terminal Type and Quantity4 WIRE LEAD
Features ProvidedTINNED WIRE LEADS
Turn Quantity4 SINGLE COMPONENT SINGLE SECONDARY
Winding Function and Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
2805-00-516-918038025A INTERCHANGEABLE
Valve,poppet,engine
Brinkley Technology Group Llc Dba Hercules Manufacturing
5310-00-595-62113050-0229 INTERCHANGEABLE
Washer,flat
Keysight Technologies Inc
3110-00-846-4677SSY3CP37 INTERCHANGEABLE
Bearing,ball,annular
Mpb Corp Div Timken Super Precision
4820-01-262-7727 INTERCHANGEABLE
Disk,valve
5120-01-426-7965 INTERCHANGEABLE
Collar Toe,cylinder
Cross-Reference Index
Part NumberManufacturer
278-0450-040 PRIMARY Tecal Manufacturing, L.l.c (USA)
A595 Communication Coil, Inc. Div - (USA)
278-0450-040 PRIMARY Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA)
E001-4 PRIMARY Communication Coil, Inc. Div - (USA)
Related Parts
2805-00-516-9180INTERCHANGEABLE
VALVE,POPPET,ENGINE
38025A
5310-00-595-6211INTERCHANGEABLE
WASHER,FLAT
3050-0229
3110-00-846-4677INTERCHANGEABLE
BEARING,BALL,ANNULAR
SSY3CP37
4820-01-262-7727INTERCHANGEABLE
DISK,VALVE
5120-01-426-7965INTERCHANGEABLE
COLLAR TOE,CYLINDER

Frequently Asked Questions

What is NSN 5950-01-269-3280?

NSN 5950-01-269-3280 is a Transformer,radio Frequency, manufactured by Tecal Manufacturing, L.l.c, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-01-269-3280?

NSN 5950-01-269-3280 has 4 cross-referenced part numbers: 278-0450-040 (Tecal Manufacturing, L.l.c), A595 (Communication Coil, Inc. Div -), 278-0450-040 (Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems), E001-4 (Communication Coil, Inc. Div -).

What NSN replaces 5950-01-269-3280?

There are 5 known substitutes for 5950-01-269-3280: 2805-00-516-9180, 5310-00-595-6211, 3110-00-846-4677 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 278-0450-040?

Key specifications for 278-0450-040: Maximum Operating Temp: 125.0 CELSIUS DEGC; Rating Method: WINDING TURNS SINGLE COMPONENT SINGLE SECONDARY; Winding Conductor Size: 0.00631 INCHES AMERICAN WIRE GAGE SINGLE COMPONENT SINGLE PRIMARY IN; Special Features: TAPS FROM PRIMARY AND SECONDARY WINDINGS TIED TOGETHER. 18 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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