PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

22503Transformer,audio Frequency

Trio Laboratories Inc · NSN 5950-01-064-4795 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-01-064-4795 — this item is cataloged by the U.S. Government under National Stock Number 5950-01-064-4795. Primary manufacturer part number: 22503.
Features
  • Transformer,audio Frequency — FSC 5950
  • Winding Shielding Method: EXTERNAL INCLOSURE SINGLE COMPONENT
  • Inclosure Type: FULLY INCLOSED
  • Frequency Rating: 0.4 KILOHERTZ MINIMUM AND 10.0 KILOHERTZ MAXIMUM SINGLE COMPONENT
  • Body Length: 0.610 INCHES NOMINAL IN
  • Winding Function and Quantity: 1 PRIMARY AND 2 SECONDARY SINGLE COMPONENT
  • Body Width: 0.430 INCHES NOMINAL IN
  • Maximum Transformer Power Rating: 250.0 MILLIWATTS SINGLE COMPONENT
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,audio Frequency, cataloged under National Stock Number 5950-01-064-4795, 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 Trio Laboratories Inc. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-01-064-4795
Primary Part Number22503
Item NameTransformer,audio Frequency
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerTrio Laboratories Inc
StatusACTIVE
Winding Shielding MethodEXTERNAL INCLOSURE SINGLE COMPONENT
Inclosure TypeFULLY INCLOSED
Frequency Rating0.4 KILOHERTZ MINIMUM AND 10.0 KILOHERTZ MAXIMUM SINGLE COMPONENT
Body Length0.610 INCHES NOMINAL IN
Winding Function and Quantity1 PRIMARY AND 2 SECONDARY SINGLE COMPONENT
Body Width0.430 INCHES NOMINAL IN
Maximum Transformer Power Rating250.0 MILLIWATTS SINGLE COMPONENT
Terminal Type and Quantity8 PIN
Winding Operating Current10.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SECOND SECONDARY
Winding Operating Current100.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT FIRST SECONDARY
Maximum Operating Temp85.0 CELSIUS DEGC
Mounting MethodTERMINAL SINGLE GROUP
Body Height0.460 INCHES NOMINAL IN
Reliability IndicatorNOT ESTABLISHED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
2825-00-125-7183225-03 INTERCHANGEABLE
Head Assembly
Siemens Energy, Inc.
1560-00-217-6840 INTERCHANGEABLE
Pipe,exhaust
5975-00-284-8940 INTERCHANGEABLE
Ring,electrical Bonding
4310-00-425-8302 INTERCHANGEABLE
Disc,flutter,valve
5950-00-788-60009998825 INTERCHANGEABLE
Transformer,power
Us Army Aviation and Missile Command
2530-00-912-3941069-22503 INTERCHANGEABLE
Actuator Assembly,air Brake
Rogers Brothers Corp
6680-01-151-85412250-3 INTERCHANGEABLE
Indicator,sight,liquid
Barker Rockford Co, the Dba Heco Div Div Heco Division
5950-01-387-386122.503 INTERCHANGEABLE
Transformer,power
Northrop Grumman Systems Corporation
7510-01-628-32347010293261 INTERCHANGEABLE
Tape,pressure Sensitive Adhesive
3m Company
Cross-Reference Index
Part NumberManufacturer
22503 Trio Laboratories Inc (USA)
Related Parts
2825-00-125-7183INTERCHANGEABLE
HEAD ASSEMBLY
225-03
1560-00-217-6840INTERCHANGEABLE
PIPE,EXHAUST
5975-00-284-8940INTERCHANGEABLE
RING,ELECTRICAL BONDING
4310-00-425-8302INTERCHANGEABLE
DISC,FLUTTER,VALVE
5950-00-788-6000INTERCHANGEABLE
TRANSFORMER,POWER
9998825
2530-00-912-3941INTERCHANGEABLE
ACTUATOR ASSEMBLY,AIR BRAKE
069-22503
6680-01-151-8541INTERCHANGEABLE
INDICATOR,SIGHT,LIQUID
2250-3
5950-01-387-3861INTERCHANGEABLE
TRANSFORMER,POWER
22.503
7510-01-628-3234INTERCHANGEABLE
TAPE,PRESSURE SENSITIVE ADHESIVE
7010293261

Frequently Asked Questions

What is NSN 5950-01-064-4795?

NSN 5950-01-064-4795 is a Transformer,audio Frequency, manufactured by Trio Laboratories Inc, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-01-064-4795?

NSN 5950-01-064-4795 has 1 cross-referenced part number: 22503 (Trio Laboratories Inc).

What NSN replaces 5950-01-064-4795?

There are 9 known substitutes for 5950-01-064-4795: 2825-00-125-7183, 1560-00-217-6840, 5975-00-284-8940 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 22503?

Key specifications for 22503: Winding Shielding Method: EXTERNAL INCLOSURE SINGLE COMPONENT; Inclosure Type: FULLY INCLOSED; Frequency Rating: 0.4 KILOHERTZ MINIMUM AND 10.0 KILOHERTZ MAXIMUM SINGLE COMPONENT; Body Length: 0.610 INCHES NOMINAL 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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