PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

280191Transformer,power

Astra Products Co., Inc. of Tampa Dba Astra Products Co Inc of Tampa · NSN 5950-01-147-6935 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-01-147-6935 — this item is cataloged by the U.S. Government under National Stock Number 5950-01-147-6935. Primary manufacturer part number: 280191.
Features
  • Transformer,power — FSC 5950
  • Reliability Indicator: NOT ESTABLISHED
  • Body Length: 7.625 INCHES NOMINAL IN
  • Winding Function and Quantity: 1 PRIMARY AND 2 SECONDARY SINGLE COMPONENT
  • Inclosure Type: PARTIALLY INCLOSED, DOUBLE SHELL
  • Mounting Facility Quantity: 4 SINGLE GROUP
  • Frequency Rating: 60.0 HERTZ NOMINAL SINGLE COMPONENT
  • Body Width: 6.562 INCHES NOMINAL IN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,power, cataloged under National Stock Number 5950-01-147-6935, 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 Astra Products Co., Inc. of Tampa Dba Astra Products Co Inc of Tampa. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 10 commercial cross-references from 10 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
NSN5950-01-147-6935
Primary Part Number280191
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerAstra Products Co., Inc. of Tampa Dba Astra Products Co Inc of Tampa
StatusACTIVE
Reliability IndicatorNOT ESTABLISHED
Body Length7.625 INCHES NOMINAL IN
Winding Function and Quantity1 PRIMARY AND 2 SECONDARY SINGLE COMPONENT
Inclosure TypePARTIALLY INCLOSED, DOUBLE SHELL
Mounting Facility Quantity4 SINGLE GROUP
Frequency Rating60.0 HERTZ NOMINAL SINGLE COMPONENT
Body Width6.562 INCHES NOMINAL IN
Winding Operating Voltage16.00 AC VOLTS NOMINAL SINGLE COMPONENT ALL SECONDARY
Center to Center Distance Between Mounting Facilities Parallel to Width4.375 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Mounting MethodBRACKET(S) AND THREADED HOLE(S) SINGLE GROUP
Body Height5.937 INCHES NOMINAL IN
Nominal Thread Size0.190 INCHES SINGLE GROUP IN
Winding Operating Voltage115.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Center to Center Distance Between Mounting Facilities Parallel to Length6.125 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Thread Series DesignatorUNF SINGLE GROUP
Terminal Type and Quantity11 WIRE LEAD
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5310-00-012-1326 INTERCHANGEABLE
Washer,lock
4820-00-105-8277 INTERCHANGEABLE
Valve,pneumatic Tank
5905-00-176-2458A404.27 INTERCHANGEABLE
Resistor,fixed,film
Ward Leonard Ct Llc
5315-00-187-3256MS24692-81 INTERCHANGEABLE
Pin,tapered,plain
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5955-00-368-503028019-1 INTERCHANGEABLE
Crystal Unit,quartz
Raytheon Company Dba Raytheon
6130-00-541-73331658596 INTERCHANGEABLE
Power Supply Assembly
Lockheed Martin Corporation Div Rms - Mitchel Field
5977-00-553-7086280191 INTERCHANGEABLE
Brush Set,electrical Contact
Miraj Corp
1680-00-562-300977853 INTERCHANGEABLE
Spring,handle Actua
Mag Aerospace Industries, Llc Div Safran Cabins
5950-00-578-862140427 INTERCHANGEABLE
Transformer,power
Hanovia Specialty Lighting Llc
5950-00-660-4644 INTERCHANGEABLE
Transformer,power
Cross-Reference Index
Part NumberManufacturer
40427 Coast/advanced Chip Magnetics, Inc. (USA)
SM-D-357353 Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir (USA)
K6156 Keytronics, Inc. Div Api Technologies Corp- Magnetics (USA)
280191 PRIMARY Astra Products Co., Inc. of Tampa Dba Astra Products Co Inc of Tampa (USA)
C1544 Electronic Transformer Corp Div Electronic Transformer Corporation (USA)
778-53 Jaidinger Manufacturing Co Inc Dba Jaidinger Manufacturing Co Inc (USA)
A7658 Autodyne Manufacturing Co Inc (USA)
PEI 6541 Precision Electronics, Inc (USA)
ST30856 Sterling Transformer Corp (USA)
SM-D-357353 Valcore Manufacturing Llc Dba Use CAGE Code 04ye2 for Cataloging (USA)
Related Parts
5310-00-012-1326INTERCHANGEABLE
WASHER,LOCK
4820-00-105-8277INTERCHANGEABLE
VALVE,PNEUMATIC TANK
5905-00-176-2458INTERCHANGEABLE
RESISTOR,FIXED,FILM
A404.27
5315-00-187-3256INTERCHANGEABLE
PIN,TAPERED,PLAIN
MS24692-81
5955-00-368-5030INTERCHANGEABLE
CRYSTAL UNIT,QUARTZ
28019-1
6130-00-541-7333INTERCHANGEABLE
POWER SUPPLY ASSEMBLY
1658596
5977-00-553-7086INTERCHANGEABLE
BRUSH SET,ELECTRICAL CONTACT
280191
1680-00-562-3009INTERCHANGEABLE
SPRING,HANDLE ACTUA
77853
5950-00-578-8621INTERCHANGEABLE
TRANSFORMER,POWER
40427
5950-00-660-4644INTERCHANGEABLE
TRANSFORMER,POWER
5962-01-078-5744INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
40427
2895-01-301-9292INTERCHANGEABLE
HOUSING ASSY,FILTRE
77853

Frequently Asked Questions

What is NSN 5950-01-147-6935?

NSN 5950-01-147-6935 is a Transformer,power, manufactured by Astra Products Co., Inc. of Tampa Dba Astra Products Co Inc of Tampa, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-01-147-6935?

NSN 5950-01-147-6935 has 10 cross-referenced part numbers: 40427 (Coast/advanced Chip Magnetics, Inc.), SM-D-357353 (Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir), K6156 (Keytronics, Inc. Div Api Technologies Corp- Magnetics), 280191 (Astra Products Co., Inc. of Tampa Dba Astra Products Co Inc of Tampa), C1544 (Electronic Transformer Corp Div Electronic Transformer Corporation) and 5 more.

What NSN replaces 5950-01-147-6935?

There are 12 known substitutes for 5950-01-147-6935: 5310-00-012-1326, 4820-00-105-8277, 5905-00-176-2458 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 280191?

Key specifications for 280191: Reliability Indicator: NOT ESTABLISHED; Body Length: 7.625 INCHES NOMINAL IN; Winding Function and Quantity: 1 PRIMARY AND 2 SECONDARY SINGLE COMPONENT; Inclosure Type: PARTIALLY INCLOSED, DOUBLE SHELL. 17 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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