PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

67-003Transformer,audio Frequency

Lockheed Martin Corporation Div Rms - Mitchel Field · NSN 5950-00-543-9313 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-543-9313 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-543-9313. Primary manufacturer part number: 67-003.
Features
  • Transformer,audio Frequency — FSC 5950
  • Reliability Indicator: NOT ESTABLISHED
  • Body Height: 2.031 INCHES NOMINAL IN
  • Frequency Rating: 40.0 HERTZ MINIMUM AND 20.0 KILOHERTZ MAXIMUM SINGLE COMPONENT
  • Nominal Thread Size: 0.138 INCHES SINGLE GROUP IN
  • Impedance Rating in Ohms: 15000.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY
  • Impedance Rating in Ohms: 80000.0 NOMINAL SINGLE COMPONENT SINGLE SECONDARY
  • Winding Shielding Method: INTERNAL SHIELD GROUNDED TO INCLOSURE SINGLE COMPONENT
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,audio Frequency, cataloged under National Stock Number 5950-00-543-9313, 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 Lockheed Martin Corporation Div Rms - Mitchel Field. Government technical data includes 19 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-543-9313
Primary Part Number67-003
Item NameTransformer,audio Frequency
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerLockheed Martin Corporation Div Rms - Mitchel Field
StatusACTIVE
Reliability IndicatorNOT ESTABLISHED
Body Height2.031 INCHES NOMINAL IN
Frequency Rating40.0 HERTZ MINIMUM AND 20.0 KILOHERTZ MAXIMUM SINGLE COMPONENT
Nominal Thread Size0.138 INCHES SINGLE GROUP IN
Impedance Rating in Ohms15000.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Impedance Rating in Ohms80000.0 NOMINAL SINGLE COMPONENT SINGLE SECONDARY
Winding Shielding MethodINTERNAL SHIELD GROUNDED TO INCLOSURE SINGLE COMPONENT
Thread Quantity Per Inch32 SINGLE GROUP
Mounting Facility Quantity2 SINGLE GROUP
Primary to Secondary Turn Ratio1 TO 2-19/64 SINGLE COMPONENT
Body Length1.312 INCHES NOMINAL IN
Winding Operating Current3.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE PRIMARY
Terminal Type and Quantity6 WIRE LEAD
Winding Function and Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Distance Between Mounting Facility Centers1.250 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Body Width1.312 INCHES NOMINAL IN
Inclosure TypeFULLY INCLOSED
Mounting MethodTHREADED STUD(S) SINGLE GROUP
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5360-00-223-115267003 INTERCHANGEABLE
Spring,helical,compression
Hamilton Sundstrand Corporation Dba Collins Aerospace
5895-01-070-14446700-3 INTERCHANGEABLE
Control,indicator
L3 Technologies, Inc. Div Communication Systems-West
6150-01-136-8600600344 INTERCHANGEABLE
Cable Assembly,special Purpose,e
Page Chester Ltd Dba Cooperative Industries Div Cooperative Industries Aerospace Defense
5340-01-528-6355314-41 INTERCHANGEABLE
Fulcrum,search Ligh
Perko Inc
5940-01-542-201567003 INTERCHANGEABLE
Terminal Junction Block,sectiona
Mersen Usa Ep Corp. Dba Ferraz Shawmut
Cross-Reference Index
Part NumberManufacturer
67-003 PRIMARY Lockheed Martin Corporation Div Rms - Mitchel Field (USA)
X5938 Freed Transformer Co (USA)
31441 Freed Transformer Co (USA)
Related Parts
5360-00-223-1152INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
67003
5895-01-070-1444INTERCHANGEABLE
CONTROL,INDICATOR
6700-3
6150-01-136-8600INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
600344
5340-01-528-6355INTERCHANGEABLE
FULCRUM,SEARCH LIGH
314-41
5940-01-542-2015INTERCHANGEABLE
TERMINAL JUNCTION BLOCK,SECTIONA
67003

Frequently Asked Questions

What is NSN 5950-00-543-9313?

NSN 5950-00-543-9313 is a Transformer,audio Frequency, manufactured by Lockheed Martin Corporation Div Rms - Mitchel Field, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-543-9313?

NSN 5950-00-543-9313 has 3 cross-referenced part numbers: 67-003 (Lockheed Martin Corporation Div Rms - Mitchel Field), X5938 (Freed Transformer Co), 31441 (Freed Transformer Co).

What NSN replaces 5950-00-543-9313?

There are 5 known substitutes for 5950-00-543-9313: 5360-00-223-1152, 5895-01-070-1444, 6150-01-136-8600 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 67-003?

Key specifications for 67-003: Reliability Indicator: NOT ESTABLISHED; Body Height: 2.031 INCHES NOMINAL IN; Frequency Rating: 40.0 HERTZ MINIMUM AND 20.0 KILOHERTZ MAXIMUM SINGLE COMPONENT; Nominal Thread Size: 0.138 INCHES SINGLE GROUP IN. 19 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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