PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

H2Transformer,audio Frequency

Magnetika Inc · NSN 5950-00-645-8331 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-645-8331 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-645-8331. Primary manufacturer part number: H2.
Features
  • Transformer,audio Frequency — FSC 5950
  • Maximum Operating Temp: 105.0 CELSIUS DEGC
  • Distance Between Mounting Facility Centers: 1.125 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
  • Frequency Rating: 250.0 HERTZ MINIMUM AND 8.0 KILOHERTZ MAXIMUM SINGLE COMPONENT
  • Transformer Function: INPUT
  • Body Length: 1.406 INCHES NOMINAL IN
  • Winding Operating Current: 50.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE PRIMARY
  • Impedance Rating in Ohms: 82.0 NOMINAL 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 5950-00-645-8331, 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 Magnetika Inc. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 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
NSN5950-00-645-8331
Primary Part NumberH2
Item NameTransformer,audio Frequency
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerMagnetika Inc
StatusACTIVE
Maximum Operating Temp105.0 CELSIUS DEGC
Distance Between Mounting Facility Centers1.125 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Frequency Rating250.0 HERTZ MINIMUM AND 8.0 KILOHERTZ MAXIMUM SINGLE COMPONENT
Transformer FunctionINPUT
Body Length1.406 INCHES NOMINAL IN
Winding Operating Current50.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE PRIMARY
Impedance Rating in Ohms82.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Winding Function and Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Mounting Hole Diameter0.156 INCHES NOMINAL SINGLE GROUP IN
Body Outside Diameter0.953 INCHES NOMINAL IN
Terminal Type and Quantity4 TAB, SOLDER LUG
Mounting MethodFLANGE AND UNTHREADED HOLE(S) SINGLE GROUP
Inclosure TypeHERMETICALLY SEALED
Impedance Rating in Ohms135000.0 NOMINAL SINGLE COMPONENT SINGLE SECONDARY
Mounting Facility Quantity2 SINGLE GROUP
Reliability IndicatorNOT ESTABLISHED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5220-00-001-3737H2 INTERCHANGEABLE
Gage,profile
Compair, Inc
5940-00-081-5697H2 INTERCHANGEABLE
Terminal Board
Powers Holdings Inc Dba Fire Brick Engineers Co Div Curtis Industries
5120-00-171-1643DWG5120-00-171-1643 INTERCHANGEABLE
Tacker
General Services Administration Federal Supply Service
5120-00-187-1032H-2FG INTERCHANGEABLE
Hammer,hand
Ampco Partners, Ltd. Dba Ampco Safety Tools
6640-00-383-760653014 INTERCHANGEABLE
Hot Plate,electric
Spx Corporation
6625-00-411-9659 INTERCHANGEABLE
Absorber,radio Frequency Radiati
6625-00-424-8502 INTERCHANGEABLE
Divider,power,radio Frequency
2510-00-618-51226185122 INTERCHANGEABLE
Plate
U S Army Tank Automotive Command Amsta-Im-Mm
6630-00-729-4261H2 INTERCHANGEABLE
Meter,ph
Newington Electric Co., Inc.
5910-01-004-9967 INTERCHANGEABLE
Capacitor,fixed,ceramic Dielectr
Cross-Reference Index
Part NumberManufacturer
H2 PRIMARY Magnetika Inc (USA)
H2 United Transformer Corp Sub of Opt Industries Inc (USA)
Related Parts
5220-00-001-3737INTERCHANGEABLE
GAGE,PROFILE
H2
5940-00-081-5697INTERCHANGEABLE
TERMINAL BOARD
H2
5120-00-171-1643INTERCHANGEABLE
TACKER
DWG5120-00-171-1643
5120-00-187-1032INTERCHANGEABLE
HAMMER,HAND
H-2FG
6640-00-383-7606INTERCHANGEABLE
HOT PLATE,ELECTRIC
53014
6625-00-411-9659INTERCHANGEABLE
ABSORBER,RADIO FREQUENCY RADIATI
6625-00-424-8502INTERCHANGEABLE
DIVIDER,POWER,RADIO FREQUENCY
2510-00-618-5122INTERCHANGEABLE
PLATE
6185122
6630-00-729-4261INTERCHANGEABLE
METER,PH
H2
5910-01-004-9967INTERCHANGEABLE
CAPACITOR,FIXED,CERAMIC DIELECTR
5905-01-042-2341INTERCHANGEABLE
RESISTOR,FIXED,FILM
287-990071-549
4520-01-211-5036INTERCHANGEABLE
HEATING ELEMENT,ELECTRICAL,NONIM
H-2

Frequently Asked Questions

What is NSN 5950-00-645-8331?

NSN 5950-00-645-8331 is a Transformer,audio Frequency, manufactured by Magnetika Inc, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-645-8331?

NSN 5950-00-645-8331 has 2 cross-referenced part numbers: H2 (Magnetika Inc), H2 (United Transformer Corp Sub of Opt Industries Inc).

What NSN replaces 5950-00-645-8331?

There are 12 known substitutes for 5950-00-645-8331: 5220-00-001-3737, 5940-00-081-5697, 5120-00-171-1643 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of H2?

Key specifications for H2: Maximum Operating Temp: 105.0 CELSIUS DEGC; Distance Between Mounting Facility Centers: 1.125 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN; Frequency Rating: 250.0 HERTZ MINIMUM AND 8.0 KILOHERTZ MAXIMUM SINGLE COMPONENT; Transformer Function: INPUT. 16 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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