PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

11688087Transformer,audio Frequency

Army, United States Department of the Dba Rock Island Arsenal Jmtc · NSN 5950-00-020-5138 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-020-5138 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-020-5138. Primary manufacturer part number: 11688087.
Features
  • Transformer,audio Frequency — FSC 5950
  • Winding Function and Quantity: 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
  • Body Height: 0.480 INCHES NOMINAL IN
  • Winding Operating Current: 1.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE PRIMARY
  • Body Length: 0.410 INCHES NOMINAL IN
  • Primary to Secondary Turn Ratio: 1 TO 1 SINGLE COMPONENT
  • Frequency Rating: 100.0 HERTZ MINIMUM AND 100.0 KILOHERTZ MAXIMUM SINGLE COMPONENT
  • Impedance Rating in Ohms: 10000.0 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 5950-00-020-5138, 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 Army, United States Department of the Dba Rock Island Arsenal Jmtc. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 10 commercial cross-references from 9 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5950-00-020-5138
Primary Part Number11688087
Item NameTransformer,audio Frequency
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerArmy, United States Department of the Dba Rock Island Arsenal Jmtc
StatusCANCELLED
Winding Function and Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Body Height0.480 INCHES NOMINAL IN
Winding Operating Current1.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE PRIMARY
Body Length0.410 INCHES NOMINAL IN
Primary to Secondary Turn Ratio1 TO 1 SINGLE COMPONENT
Frequency Rating100.0 HERTZ MINIMUM AND 100.0 KILOHERTZ MAXIMUM SINGLE COMPONENT
Impedance Rating in Ohms10000.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Impedance Rating in Ohms10000.0 NOMINAL SINGLE COMPONENT SINGLE SECONDARY
Inclosure TypeFULLY INCLOSED
Terminal Type and Quantity6 WIRE LEAD
Body Width0.310 INCHES NOMINAL IN
Mounting MethodTERMINAL SINGLE GROUP
Reliability IndicatorNOT ESTABLISHED
Maximum Operating Temp130.0 CELSIUS DEGC
Maximum Transformer Power Rating75.0 MILLIWATTS SINGLE COMPONENT
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
4820-00-499-85839B4510 INTERCHANGEABLE
Cock,shutoff,screw Stem
Caterpillar Inc Div Caterpillar Defense
5940-00-511-5031619-3 INTERCHANGEABLE
Terminal,lug
Zierick Mfg Corp
5935-00-539-020358A5A89-1 INTERCHANGEABLE
Adapter,connector
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
9905-00-634-000618911 INTERCHANGEABLE
Plate,identification
Unison Industries Llc
2520-00-708-66346193 INTERCHANGEABLE
Housing Clutch
Eaton Corp Transmission Div
5331-00-788-3428 INTERCHANGEABLE
O-Ring
5950-00-860-0800SM-B-2002510-5 INTERCHANGEABLE
Transformer,audio Frequency
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5950-01-085-5835PCT-76 INTERCHANGEABLE
Transformer,audio Frequency
Standard Condenser Corp
6532-01-137-9888 INTERCHANGEABLE
Diaper,adult's
5940-01-160-28396193 INTERCHANGEABLE
Terminal,stud
Lerco Div Space-Lok Inc
Cross-Reference Index
Part NumberManufacturer
SP-66 Triad Microsystems Inc (USA)
PCT76 Stacor Corp (USA)
PCT76 Emerson Electric Co White-Rodgers Div (USA)
2503741-76 Honeywell International Inc. Dba Honeywell International (USA)
27S110 Thordarson Inc (USA)
18911 Torotel, Inc. Div Torotel Products, Inc. (USA)
M5515 Microtran Co Inc (USA)
MET-09 Pan-Magnetics International Inc (USA)
11688087 PRIMARY Army, United States Department of the Dba Rock Island Arsenal Jmtc (USA)
6193 Triad Microsystems Inc (USA)
Related Parts
4820-00-499-8583INTERCHANGEABLE
COCK,SHUTOFF,SCREW STEM
9B4510
5940-00-511-5031INTERCHANGEABLE
TERMINAL,LUG
619-3
5935-00-539-0203INTERCHANGEABLE
ADAPTER,CONNECTOR
58A5A89-1
9905-00-634-0006INTERCHANGEABLE
PLATE,IDENTIFICATION
18911
2520-00-708-6634INTERCHANGEABLE
HOUSING CLUTCH
6193
5331-00-788-3428INTERCHANGEABLE
O-RING
5950-00-860-0800INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
SM-B-2002510-5
5950-01-085-5835INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
PCT-76
6532-01-137-9888INTERCHANGEABLE
DIAPER,ADULT'S
5940-01-160-2839INTERCHANGEABLE
TERMINAL,STUD
6193
3010-01-248-2103INTERCHANGEABLE
ACTUATOR,ELECTRO-MECHANICAL,LINE
5905-01-274-6925INTERCHANGEABLE
RESISTOR,THERMAL
795472-001

Frequently Asked Questions

What is NSN 5950-00-020-5138?

NSN 5950-00-020-5138 is a Transformer,audio Frequency, manufactured by Army, United States Department of the Dba Rock Island Arsenal Jmtc, classified under FSC 5950 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5950-00-020-5138?

NSN 5950-00-020-5138 has 10 cross-referenced part numbers: SP-66 (Triad Microsystems Inc), PCT76 (Stacor Corp), PCT76 (Emerson Electric Co White-Rodgers Div), 2503741-76 (Honeywell International Inc. Dba Honeywell International), 27S110 (Thordarson Inc) and 5 more.

What NSN replaces 5950-00-020-5138?

There are 12 known substitutes for 5950-00-020-5138: 4820-00-499-8583, 5940-00-511-5031, 5935-00-539-0203 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 11688087?

Key specifications for 11688087: Winding Function and Quantity: 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT; Body Height: 0.480 INCHES NOMINAL IN; Winding Operating Current: 1.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE PRIMARY; Body Length: 0.410 INCHES NOMINAL IN. 15 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5950-00-020-5138 still in active supply?

NSN 5950-00-020-5138 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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