PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

DO-T39Transformer,audio Frequency

Shield Air Co · NSN 5950-00-083-0681 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-083-0681 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-083-0681. Primary manufacturer part number: DO-T39.
Features
  • Transformer,audio Frequency — FSC 5950
  • Frequency Rating: 300.0 HERTZ MINIMUM AND 100.0 KILOHERTZ MAXIMUM SINGLE COMPONENT
  • Inclosure Type: FULLY INCLOSED
  • Maximum Operating Temp: 105.0 CELSIUS DEGC
  • Impedance Rating in Ohms: 1000.0 NOMINAL SINGLE COMPONENT FIRST SECONDARY
  • Winding Function and Quantity: 1 PRIMARY AND 2 SECONDARY SINGLE COMPONENT
  • Winding Operating Current: 0.5 MILLIAMPERES DC NOMINAL SINGLE COMPONENT SINGLE PRIMARY
  • Impedance Rating in Ohms: 1500.0 NOMINAL SINGLE COMPONENT SECOND SECONDARY
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,audio Frequency, cataloged under National Stock Number 5950-00-083-0681, 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 Shield Air Co. Government technical data includes 14 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
NSN5950-00-083-0681
Primary Part NumberDO-T39
Item NameTransformer,audio Frequency
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerShield Air Co
StatusACTIVE
Frequency Rating300.0 HERTZ MINIMUM AND 100.0 KILOHERTZ MAXIMUM SINGLE COMPONENT
Inclosure TypeFULLY INCLOSED
Maximum Operating Temp105.0 CELSIUS DEGC
Impedance Rating in Ohms1000.0 NOMINAL SINGLE COMPONENT FIRST SECONDARY
Winding Function and Quantity1 PRIMARY AND 2 SECONDARY SINGLE COMPONENT
Winding Operating Current0.5 MILLIAMPERES DC NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Impedance Rating in Ohms1500.0 NOMINAL SINGLE COMPONENT SECOND SECONDARY
Body Length0.469 INCHES MAXIMUM IN
Mounting MethodTERMINAL SINGLE GROUP
Impedance Rating in Ohms20000.0 MINIMUM AND 30000.0 MAXIMUM SINGLE COMPONENT SINGLE PRIMARY
Body Outside Diameter0.344 INCHES MAXIMUM IN
Reliability IndicatorNOT ESTABLISHED
Terminal Type and Quantity7 WIRE LEAD
Maximum Transformer Power Rating50.0 MILLIWATTS SINGLE COMPONENT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5340-00-042-85318233B0632-3 INTERCHANGEABLE
Standoff,threaded,spacing
Carey Manufacturing Co, Inc Dba Amatom Electronic Hardware Div Amatom Electronic Hardware
5330-00-251-32294001639-6 INTERCHANGEABLE
Gasket
Agco Corp Parts Opn
2805-00-271-954358010A INTERCHANGEABLE
Valve,poppet,engine
Brinkley Technology Group Llc Dba Hercules Manufacturing
5996-01-005-9519151169-01 INTERCHANGEABLE
Amplifier,direct Current
Ge Aviation Systems Llc
5325-01-076-8453WA-514 INTERCHANGEABLE
Ring,retaining
West Coast Lockwasher Co., Inc. Dba West Coast Lockwasher Co Inc Div West Coast Lockwasher
5815-01-083-9412 INTERCHANGEABLE
Guide,needle
5340-01-088-47371639 INTERCHANGEABLE
Handle,bow
Halsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron
5905-01-096-36771639 INTERCHANGEABLE
Resistor
Crown Audio, Inc. Dba Crown International
8475-01-255-74901639AS100-1 INTERCHANGEABLE
Hood Assembly,anti-Exposure
Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier
4930-01-312-68291639 INTERCHANGEABLE
Roller Assembly,hose Reel
Coxwells Inc Dba Coxreels
Cross-Reference Index
Part NumberManufacturer
11253521 Ballistic Missile Defense Systems Command (USA)
7486-945 Atlantic Inertial Systems Limited (GBR)
1783709-39 Honeywell International Inc. Dba Honeywell International (USA)
1639 Elcos (BEL)
1639 Pico Electronics Inc (USA)
MIT239 Thordarson Inc (USA)
135-006-0032 Moog Inc. (USA)
DO-T39 PRIMARY Shield Air Co (USA)
DO-T39 United Transformer Corp Sub of Opt Industries Inc (USA)
135-006-0032 Moog Inc. Dba Moog Components Group (USA)
Related Parts
5340-00-042-8531INTERCHANGEABLE
STANDOFF,THREADED,SPACING
8233B0632-3
5330-00-251-3229INTERCHANGEABLE
GASKET
4001639-6
2805-00-271-9543INTERCHANGEABLE
VALVE,POPPET,ENGINE
58010A
5996-01-005-9519INTERCHANGEABLE
AMPLIFIER,DIRECT CURRENT
151169-01
5325-01-076-8453INTERCHANGEABLE
RING,RETAINING
WA-514
5815-01-083-9412INTERCHANGEABLE
GUIDE,NEEDLE
5340-01-088-4737INTERCHANGEABLE
HANDLE,BOW
1639
5905-01-096-3677INTERCHANGEABLE
RESISTOR
1639
8475-01-255-7490INTERCHANGEABLE
HOOD ASSEMBLY,ANTI-EXPOSURE
1639AS100-1
4930-01-312-6829INTERCHANGEABLE
ROLLER ASSEMBLY,HOSE REEL
1639
5985-01-313-7839INTERCHANGEABLE
COUPLER,ROTARY,RADIO FREQUENCY
8115-01-624-9697INTERCHANGEABLE
DIVIDER,TRAY CHEST
1639

Frequently Asked Questions

What is NSN 5950-00-083-0681?

NSN 5950-00-083-0681 is a Transformer,audio Frequency, manufactured by Shield Air Co, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-083-0681?

NSN 5950-00-083-0681 has 10 cross-referenced part numbers: 11253521 (Ballistic Missile Defense Systems Command), 7486-945 (Atlantic Inertial Systems Limited), 1783709-39 (Honeywell International Inc. Dba Honeywell International), 1639 (Elcos), 1639 (Pico Electronics Inc) and 5 more.

What NSN replaces 5950-00-083-0681?

There are 12 known substitutes for 5950-00-083-0681: 5340-00-042-8531, 5330-00-251-3229, 2805-00-271-9543 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of DO-T39?

Key specifications for DO-T39: Frequency Rating: 300.0 HERTZ MINIMUM AND 100.0 KILOHERTZ MAXIMUM SINGLE COMPONENT; Inclosure Type: FULLY INCLOSED; Maximum Operating Temp: 105.0 CELSIUS DEGC; Impedance Rating in Ohms: 1000.0 NOMINAL SINGLE COMPONENT FIRST SECONDARY. 14 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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