PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

M1HTransformer,audio Frequency

Microtran Co Inc · NSN 5950-00-445-6581 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-445-6581 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-445-6581. Primary manufacturer part number: M1H.
Features
  • Transformer,audio Frequency — FSC 5950
  • Body Height: 1.438 INCHES NOMINAL IN
  • Impedance Rating in Ohms: 50.0 NOMINAL AND 250.0 NOMINAL AND 600.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY
  • Mounting Method: FLANGE AND SLOT SINGLE GROUP
  • Terminal Type and Quantity: 7 WIRE HOOK
  • Winding Function and Quantity: 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
  • Body Width: 0.975 INCHES NOMINAL IN
  • Impedance Rating in Ohms: 50000.0 NOMINAL SINGLE COMPONENT SINGLE 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 5950-00-445-6581, 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 Microtran Co Inc. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-445-6581
Primary Part NumberM1H
Item NameTransformer,audio Frequency
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerMicrotran Co Inc
StatusACTIVE
Body Height1.438 INCHES NOMINAL IN
Impedance Rating in Ohms50.0 NOMINAL AND 250.0 NOMINAL AND 600.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Mounting MethodFLANGE AND SLOT SINGLE GROUP
Terminal Type and Quantity7 WIRE HOOK
Winding Function and Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Body Width0.975 INCHES NOMINAL IN
Impedance Rating in Ohms50000.0 NOMINAL SINGLE COMPONENT SINGLE SECONDARY
Mounting Slot Width0.120 INCHES NOMINAL SINGLE GROUP IN
Frequency Rating20.0 HERTZ MINIMUM AND 20.0 KILOHERTZ MAXIMUM SINGLE COMPONENT
Maximum Transformer Power Rating250.0 MILLIWATTS SINGLE COMPONENT
Reliability IndicatorNOT ESTABLISHED
Inclosure TypeHERMETICALLY SEALED
Distance Between Mounting Facility Centers1.125 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Mounting Facility Quantity2 SINGLE GROUP
Body Length1.438 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5998-00-497-2934M111-00 INTERCHANGEABLE
Circuit Card Assembly
Compaq Federal Llc
5998-01-003-2868M1H INTERCHANGEABLE
Circuit Card Assembly
Wavetek Rf Products, Inc
5360-01-031-8194 INTERCHANGEABLE
Spring,helical,compression
5985-01-034-3113M1H INTERCHANGEABLE
Mixer,crystal,coaxial
Caes Systems Llc Div Missile Systems Division
4130-01-071-8779M1-20.11 INTERCHANGEABLE
Heating Element,electrical,immer
Cannon Instrument Company Dba Cannon Instrument Co, Inc
4730-01-248-7250 INTERCHANGEABLE
Flange,pipe
4235-01-528-0402 INTERCHANGEABLE
Sorbent,oil
Cross-Reference Index
Part NumberManufacturer
M1H Microtran Co Inc (USA)
677-0385-010 Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA)
M111 Microtran Co Inc (USA)
Related Parts
5998-00-497-2934INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
M111-00
5998-01-003-2868INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
M1H
5360-01-031-8194INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
5985-01-034-3113INTERCHANGEABLE
MIXER,CRYSTAL,COAXIAL
M1H
4130-01-071-8779INTERCHANGEABLE
HEATING ELEMENT,ELECTRICAL,IMMER
M1-20.11
4730-01-248-7250INTERCHANGEABLE
FLANGE,PIPE
4235-01-528-0402INTERCHANGEABLE
SORBENT,OIL

Frequently Asked Questions

What is NSN 5950-00-445-6581?

NSN 5950-00-445-6581 is a Transformer,audio Frequency, manufactured by Microtran Co Inc, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-445-6581?

NSN 5950-00-445-6581 has 3 cross-referenced part numbers: M1H (Microtran Co Inc), 677-0385-010 (Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems), M111 (Microtran Co Inc).

What NSN replaces 5950-00-445-6581?

There are 7 known substitutes for 5950-00-445-6581: 5998-00-497-2934, 5998-01-003-2868, 5360-01-031-8194 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of M1H?

Key specifications for M1H: Body Height: 1.438 INCHES NOMINAL IN; Impedance Rating in Ohms: 50.0 NOMINAL AND 250.0 NOMINAL AND 600.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY; Mounting Method: FLANGE AND SLOT SINGLE GROUP; Terminal Type and Quantity: 7 WIRE HOOK. 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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