PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1205Transformer,audio Frequency

Dietz Design Inc · NSN 5950-00-647-6987 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-647-6987 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-647-6987. Primary manufacturer part number: 1205.
Features
  • Transformer,audio Frequency — FSC 5950
  • Reliability Indicator: NOT ESTABLISHED
  • Impedance Rating in Ohms: 600.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY
  • Maximum Transformer Power Rating: 10.0 DECIBELS SINGLE COMPONENT
  • Terminal Type and Quantity: 5 STANDOFF, SOLDER LUG
  • Body Height: 2.625 INCHES MINIMUM AND 2.750 INCHES MAXIMUM IN
  • Primary to Secondary Turn Ratio: 1 TO 1 SINGLE COMPONENT
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,audio Frequency, cataloged under National Stock Number 5950-00-647-6987, 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 Dietz Design Inc. Government technical data includes 21 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, 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
NSN5950-00-647-6987
Primary Part Number1205
Item NameTransformer,audio Frequency
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerDietz Design Inc
StatusACTIVE
Reliability IndicatorNOT ESTABLISHED
Impedance Rating in Ohms600.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Maximum Transformer Power Rating10.0 DECIBELS SINGLE COMPONENT
Terminal Type and Quantity5 STANDOFF, SOLDER LUG
Body Height2.625 INCHES MINIMUM AND 2.750 INCHES MAXIMUM IN
Primary to Secondary Turn Ratio1 TO 1 SINGLE COMPONENT
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Mounting MethodTHREADED STUD(S) SINGLE GROUP
Frequency Rating300.0 HERTZ MINIMUM AND 3.5 KILOHERTZ MAXIMUM SINGLE COMPONENT
Transformer FunctionLINE
Body Width0.125 INCHES MINIMUM AND 2.000 INCHES MAXIMUM IN
Center to Center Distance Between Mounting Facilities Parallel to Length1.250 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Mounting Facility Quantity4 SINGLE GROUP
Inclosure TypeHERMETICALLY SEALED
Winding Function and Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Nominal Thread Size0.138 INCHES SINGLE GROUP IN
Impedance Rating in Ohms600.0 NOMINAL SINGLE COMPONENT SINGLE SECONDARY
Thread Quantity Per Inch32 SINGLE GROUP
Winding Shielding MethodINTERNAL SHIELD GROUNDED TO INCLOSURE AND BROUGHT OUT TO TERMINAL SINGLE COMPONENT
Body Length0.125 INCHES MINIMUM AND 2.000 INCHES MAXIMUM IN
Center to Center Distance Between Mounting Facilities Parallel to Width1.625 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
2815-00-416-22237905 INTERCHANGEABLE
Retainer,air Valve
Cooper Machinery Services Llc
6150-00-485-627017475 INTERCHANGEABLE
Cable Assembly,power,electrical
Volex, Inc. Dba Volex Power Cord Products Div Volex Inc.
5960-00-948-6005 INTERCHANGEABLE
Electron Tube
3110-01-214-0002RA100RRB INTERCHANGEABLE
Bearing,ball,annular
Timken Co Div the Timken Company
5940-01-219-416210987H16A INTERCHANGEABLE
Terminal Board
Eaton Corp Opns & Technical Center
5962-01-398-1586 INTERCHANGEABLE
Microcircuit,digital
4720-01-422-939321194 INTERCHANGEABLE
Hose,preformed
Gates Corporation
4010-01-579-973479-05 INTERCHANGEABLE
Wire Rope Assembly,single Leg
Medalist-Rein Leitzke
5975-01-628-9432T0001007 INTERCHANGEABLE
Rack,electrical Equipment
Becklin Holdings, Inc.
Cross-Reference Index
Part NumberManufacturer
7905 Mkc Electronics Corp (USA)
1205 PRIMARY Dietz Design Inc (USA)
HB5234A Dowty Rfl Industries Inc (USA)
Related Parts
2815-00-416-2223INTERCHANGEABLE
RETAINER,AIR VALVE
7905
6150-00-485-6270INTERCHANGEABLE
CABLE ASSEMBLY,POWER,ELECTRICAL
17475
5960-00-948-6005INTERCHANGEABLE
ELECTRON TUBE
3110-01-214-0002INTERCHANGEABLE
BEARING,BALL,ANNULAR
RA100RRB
5940-01-219-4162INTERCHANGEABLE
TERMINAL BOARD
10987H16A
5962-01-398-1586INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
4720-01-422-9393INTERCHANGEABLE
HOSE,PREFORMED
21194
4010-01-579-9734INTERCHANGEABLE
WIRE ROPE ASSEMBLY,SINGLE LEG
79-05
5975-01-628-9432INTERCHANGEABLE
RACK,ELECTRICAL EQUIPMENT
T0001007

Frequently Asked Questions

What is NSN 5950-00-647-6987?

NSN 5950-00-647-6987 is a Transformer,audio Frequency, manufactured by Dietz Design Inc, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-647-6987?

NSN 5950-00-647-6987 has 3 cross-referenced part numbers: 7905 (Mkc Electronics Corp), 1205 (Dietz Design Inc), HB5234A (Dowty Rfl Industries Inc).

What NSN replaces 5950-00-647-6987?

There are 9 known substitutes for 5950-00-647-6987: 2815-00-416-2223, 6150-00-485-6270, 5960-00-948-6005 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1205?

Key specifications for 1205: Reliability Indicator: NOT ESTABLISHED; Impedance Rating in Ohms: 600.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY; Maximum Transformer Power Rating: 10.0 DECIBELS SINGLE COMPONENT; Terminal Type and Quantity: 5 STANDOFF, SOLDER LUG. 21 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com