PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

902752-501Transformer,audio Frequency

Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin · NSN 5950-00-647-7659 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-647-7659 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-647-7659. Primary manufacturer part number: 902752-501.
Features
  • Transformer,audio Frequency — FSC 5950
  • Reliability Indicator: NOT ESTABLISHED
  • Body Height: 3.219 INCHES NOMINAL IN
  • Terminal Type and Quantity: 5 STANDOFF, SOLDER LUG
  • Frequency Rating: 60.0 HERTZ NOMINAL SINGLE COMPONENT
  • Winding Function and Quantity: 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
  • Mounting Method: THREADED STUD(S) SINGLE GROUP
  • Center to Center Distance Between Mounting Facilities Parallel to Length: 1.688 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,audio Frequency, cataloged under National Stock Number 5950-00-647-7659, 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 Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin. Government technical data includes 20 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5950-00-647-7659
Primary Part Number902752-501
Item NameTransformer,audio Frequency
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerLockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin
StatusCANCELLED
Reliability IndicatorNOT ESTABLISHED
Body Height3.219 INCHES NOMINAL IN
Terminal Type and Quantity5 STANDOFF, SOLDER LUG
Frequency Rating60.0 HERTZ NOMINAL SINGLE COMPONENT
Winding Function and Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Mounting MethodTHREADED STUD(S) SINGLE GROUP
Center to Center Distance Between Mounting Facilities Parallel to Length1.688 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Thread Quantity Per Inch32 SINGLE GROUP
Impedance Rating in Ohms1000.0 NOMINAL SINGLE COMPONENT SINGLE SECONDARY
Body Length2.312 INCHES NOMINAL IN
Winding Operating Current30.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE PRIMARY
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Center to Center Distance Between Mounting Facilities Parallel to Width1.438 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Mounting Facility Quantity4 SINGLE GROUP
Body Width2.062 INCHES NOMINAL IN
Primary to Secondary Turn Ratio1 TO 10 SINGLE COMPONENT
Inclosure TypeHERMETICALLY SEALED
Impedance Rating in Ohms25000.0 NOMINAL AND 100000.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Maximum Transformer Power Rating4.0 WATTS SINGLE COMPONENT
Nominal Thread Size0.138 INCHES SINGLE GROUP IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 9
5310-00-359-5613 INTERCHANGEABLE
Washer,flat
5930-00-433-684725-03288-0A INTERCHANGEABLE
Switch,rotary
Ballantine Laboratories Inc
5310-00-641-92723288 INTERCHANGEABLE
Washer,flat
Telemechanics Inc
2530-00-916-5866328-8 INTERCHANGEABLE
Parts Kit,hydraulic Brake Wheel
Goodrich Corporation
5136-00-953-0234328-8 INTERCHANGEABLE
Tap,thread Cutting
Stanley Engineered Fastening Llc
5935-01-074-64963288 INTERCHANGEABLE
Adapter,connector
Fluke Electronics Corp
5910-01-096-43213288 INTERCHANGEABLE
Capacitor
Crown Audio, Inc. Dba Crown International
3040-01-334-39713288-7 INTERCHANGEABLE
Lever,remote Control
Kearflex Engineering Company
2040-01-412-2983328-8 INTERCHANGEABLE
Connector,thru-Hull
Perko Inc
Cross-Reference Index
Part NumberManufacturer
902752-501 Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin (USA)
902752-501 Rca Corp Distribution and Special Products (USA)
C739990REV3PT1 Rca Corp Distributor and Special Products Div
91001189 Bae Systems Information and Electronic Systems Integration Inc. (USA)
3288 Precision Electronics, Inc (USA)
C739990REV3PT1 Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin (USA)
Related Parts
5310-00-359-5613INTERCHANGEABLE
WASHER,FLAT
5930-00-433-6847INTERCHANGEABLE
SWITCH,ROTARY
25-03288-0A
5310-00-641-9272INTERCHANGEABLE
WASHER,FLAT
3288
2530-00-916-5866INTERCHANGEABLE
PARTS KIT,HYDRAULIC BRAKE WHEEL
328-8
5136-00-953-0234INTERCHANGEABLE
TAP,THREAD CUTTING
328-8
5935-01-074-6496INTERCHANGEABLE
ADAPTER,CONNECTOR
3288
5910-01-096-4321INTERCHANGEABLE
CAPACITOR
3288
3040-01-334-3971INTERCHANGEABLE
LEVER,REMOTE CONTROL
3288-7
2040-01-412-2983INTERCHANGEABLE
CONNECTOR,THRU-HULL
328-8

Frequently Asked Questions

What is NSN 5950-00-647-7659?

NSN 5950-00-647-7659 is a Transformer,audio Frequency, manufactured by Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin, classified under FSC 5950 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5950-00-647-7659?

NSN 5950-00-647-7659 has 6 cross-referenced part numbers: 902752-501 (Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin), 902752-501 (Rca Corp Distribution and Special Products), C739990REV3PT1 (Rca Corp Distributor and Special Products Div), 91001189 (Bae Systems Information and Electronic Systems Integration Inc.), 3288 (Precision Electronics, Inc) and 1 more.

What NSN replaces 5950-00-647-7659?

There are 9 known substitutes for 5950-00-647-7659: 5310-00-359-5613, 5930-00-433-6847, 5310-00-641-9272 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 902752-501?

Key specifications for 902752-501: Reliability Indicator: NOT ESTABLISHED; Body Height: 3.219 INCHES NOMINAL IN; Terminal Type and Quantity: 5 STANDOFF, SOLDER LUG; Frequency Rating: 60.0 HERTZ NOMINAL SINGLE COMPONENT. 21 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5950-00-647-7659 still in active supply?

NSN 5950-00-647-7659 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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