PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AAU772Transformer,radio Frequency

Thales Uk Limited Secure Communications and Information Systems · NSN 5950-00-021-3867 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-021-3867 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-021-3867. Primary manufacturer part number: AAU772.
Features
  • Transformer,radio Frequency — FSC 5950
  • Nominal Thread Size: 0.112 INCHES SINGLE GROUP IN
  • Body Outside Diameter: 0.415 INCHES NOMINAL IN
  • Terminal Type and Quantity: 3 TAB, SOLDER LUG
  • Body Height: 1.140 INCHES NOMINAL IN
  • Frequency Rating: 37.5 MEGAHERTZ MAXIMUM SINGLE COMPONENT
  • Coil Form Type: HOLLOW SINGLE COMPONENT
  • Mounting Method: THREADED 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 5950-00-021-3867, 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 Thales Uk Limited Secure Communications and Information Systems. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5950-00-021-3867
Primary Part NumberAAU772
Item NameTransformer,radio Frequency
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerThales Uk Limited Secure Communications and Information Systems
StatusCANCELLED
Nominal Thread Size0.112 INCHES SINGLE GROUP IN
Body Outside Diameter0.415 INCHES NOMINAL IN
Terminal Type and Quantity3 TAB, SOLDER LUG
Body Height1.140 INCHES NOMINAL IN
Frequency Rating37.5 MEGAHERTZ MAXIMUM SINGLE COMPONENT
Coil Form TypeHOLLOW SINGLE COMPONENT
Mounting MethodTHREADED HOLE(S) SINGLE GROUP
Body Length1.375 INCHES NOMINAL IN
Reliability IndicatorNOT ESTABLISHED
Distance Between Mounting Facility Centers1.000 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Winding Function and Quantity1 PRIMARY SINGLE COMPONENT
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Thread Quantity Per Inch40 SINGLE GROUP
Mounting Facility Quantity2 SINGLE GROUP
Adjustment Device Drive TypeSLOTTED SCREW SINGLE COMPONENT
Adjustment Method and Quantity1 ADJUSTABLE CORE SINGLE COMPONENT
Inclosure TypeOPEN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 3
5950-00-231-6175D424-103 INTERCHANGEABLE
Transformer Assembly
Bae Systems Information and Electronic Systems Integration Inc.
5895-01-175-9723A10054 INTERCHANGEABLE
Amplifier-Detector
Amplifier Acquisition Corp Dba Amplica Inc
3110-01-275-8587 INTERCHANGEABLE
Bearing,roller,tapered
Cross-Reference Index
Part NumberManufacturer
AAU772 Thales Uk Limited Secure Communications and Information Systems (GBR)
A10-054 Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin (USA)
AA4772 Racal Communications Systems Ltd (GBR)
AAU772 Racal Communications Systems Ltd (GBR)
AA4772 Thales Uk Limited Secure Communications and Information Systems (GBR)
Related Parts
5950-00-231-6175INTERCHANGEABLE
TRANSFORMER ASSEMBLY
D424-103
5895-01-175-9723INTERCHANGEABLE
AMPLIFIER-DETECTOR
A10054
3110-01-275-8587INTERCHANGEABLE
BEARING,ROLLER,TAPERED

Frequently Asked Questions

What is NSN 5950-00-021-3867?

NSN 5950-00-021-3867 is a Transformer,radio Frequency, manufactured by Thales Uk Limited Secure Communications and Information Systems, classified under FSC 5950 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5950-00-021-3867?

NSN 5950-00-021-3867 has 5 cross-referenced part numbers: AAU772 (Thales Uk Limited Secure Communications and Information Systems), A10-054 (Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin), AA4772 (Racal Communications Systems Ltd), AAU772 (Racal Communications Systems Ltd), AA4772 (Thales Uk Limited Secure Communications and Information Systems).

What NSN replaces 5950-00-021-3867?

There are 3 known substitutes for 5950-00-021-3867: 5950-00-231-6175, 5895-01-175-9723, 3110-01-275-8587. Verify interchangeability with system specifications before substitution.

What are the specifications of AAU772?

Key specifications for AAU772: Nominal Thread Size: 0.112 INCHES SINGLE GROUP IN; Body Outside Diameter: 0.415 INCHES NOMINAL IN; Terminal Type and Quantity: 3 TAB, SOLDER LUG; Body Height: 1.140 INCHES NOMINAL IN. 17 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5950-00-021-3867 still in active supply?

NSN 5950-00-021-3867 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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