PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

677-0211-00Transformer,audio Frequency

Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems · NSN 5950-00-789-5201 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-789-5201 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-789-5201. Primary manufacturer part number: 677-0211-00.
Features
  • Transformer,audio Frequency — FSC 5950
  • Impedance Rating in Ohms: 3.2 NOMINAL SINGLE COMPONENT SINGLE SECONDARY
  • Reliability Indicator: NOT ESTABLISHED
  • Mounting Facility Quantity: 2 SINGLE GROUP
  • Body Length: 1.844 INCHES NOMINAL IN
  • Winding Function and Quantity: 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
  • Frequency Rating: 300.0 HERTZ MINIMUM AND 3.0 KILOHERTZ MAXIMUM SINGLE COMPONENT
  • Winding Operating Current: 150.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE PRIMARY
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,audio Frequency, cataloged under National Stock Number 5950-00-789-5201, 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 Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 6 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
NSN5950-00-789-5201
Primary Part Number677-0211-00
Item NameTransformer,audio Frequency
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerRockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
StatusACTIVE
Impedance Rating in Ohms3.2 NOMINAL SINGLE COMPONENT SINGLE SECONDARY
Reliability IndicatorNOT ESTABLISHED
Mounting Facility Quantity2 SINGLE GROUP
Body Length1.844 INCHES NOMINAL IN
Winding Function and Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Frequency Rating300.0 HERTZ MINIMUM AND 3.0 KILOHERTZ MAXIMUM SINGLE COMPONENT
Winding Operating Current150.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE PRIMARY
Body Width1.250 INCHES MAXIMUM IN
Thread Quantity Per Inch40 SINGLE GROUP
Nominal Thread Size0.112 INCHES SINGLE GROUP IN
Maximum Transformer Power Rating250.0 MILLIWATTS SINGLE COMPONENT
Impedance Rating in Ohms100.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Mounting MethodTHREADED HOLE(S) SINGLE GROUP
Inclosure TypeHERMETICALLY SEALED
Body Height1.188 INCHES MINIMUM AND 1.250 INCHES MAXIMUM IN
Terminal Type and Quantity4 TAB, SOLDER LUG
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
4730-00-172-00280915274-5 INTERCHANGEABLE
Fitting,lubrication
Kalmar AC Inc
5950-00-600-084372-2618 INTERCHANGEABLE
Transformer,power
Department of Defense Project Manager-Mobile Electric Power
5950-00-803-037332013 INTERCHANGEABLE
Reactor
Freed Transformer Co
5325-01-101-808632013 INTERCHANGEABLE
Ring,retaining
Kinedyne Llc
5930-01-233-8372 INTERCHANGEABLE
Switch,toggle
5940-01-422-352132013 INTERCHANGEABLE
Terminal,lug
Thomas and Betts Corp Electronics Group
2930-01-595-364332013-4 INTERCHANGEABLE
Retainer,radiator
Hutchinson Aerospace & Industry, Inc. Dba Barry Wright Corp
5120-01-601-214332013 INTERCHANGEABLE
Puller,fuse
Cooper Bussmann
6515-01-603-7759 INTERCHANGEABLE
Suture,absorbable,surgical
Cross-Reference Index
Part NumberManufacturer
677-0211-00 Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA)
BTC14286 Berkshire Transformer (USA)
677-0211-000 Rockwell Collins, Inc. Div Collins Aerospace - Mission Systems (USA)
43674 Coast/advanced Chip Magnetics, Inc. (USA)
32013 Emerson Electric Co White-Rodgers Div (USA)
PEI 7696 Precision Electronics, Inc (USA)
Related Parts
4730-00-172-0028INTERCHANGEABLE
FITTING,LUBRICATION
0915274-5
5950-00-600-0843INTERCHANGEABLE
TRANSFORMER,POWER
72-2618
5950-00-803-0373INTERCHANGEABLE
REACTOR
32013
5325-01-101-8086INTERCHANGEABLE
RING,RETAINING
32013
5930-01-233-8372INTERCHANGEABLE
SWITCH,TOGGLE
5940-01-422-3521INTERCHANGEABLE
TERMINAL,LUG
32013
2930-01-595-3643INTERCHANGEABLE
RETAINER,RADIATOR
32013-4
5120-01-601-2143INTERCHANGEABLE
PULLER,FUSE
32013
6515-01-603-7759INTERCHANGEABLE
SUTURE,ABSORBABLE,SURGICAL

Frequently Asked Questions

What is NSN 5950-00-789-5201?

NSN 5950-00-789-5201 is a Transformer,audio Frequency, manufactured by Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-789-5201?

NSN 5950-00-789-5201 has 6 cross-referenced part numbers: 677-0211-00 (Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems), BTC14286 (Berkshire Transformer), 677-0211-000 (Rockwell Collins, Inc. Div Collins Aerospace - Mission Systems), 43674 (Coast/advanced Chip Magnetics, Inc.), 32013 (Emerson Electric Co White-Rodgers Div) and 1 more.

What NSN replaces 5950-00-789-5201?

There are 9 known substitutes for 5950-00-789-5201: 4730-00-172-0028, 5950-00-600-0843, 5950-00-803-0373 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 677-0211-00?

Key specifications for 677-0211-00: Impedance Rating in Ohms: 3.2 NOMINAL SINGLE COMPONENT SINGLE SECONDARY; Reliability Indicator: NOT ESTABLISHED; Mounting Facility Quantity: 2 SINGLE GROUP; Body Length: 1.844 INCHES NOMINAL IN. 17 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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