PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A31139Transformer,audio Frequency

Princeton Tool Inc Div Paragon Precision · NSN 5950-00-465-7987 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-465-7987 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-465-7987. Primary manufacturer part number: A31139.
Features
  • Transformer,audio Frequency — FSC 5950
  • Impedance Rating in Ohms: 3.2 NOMINAL SINGLE COMPONENT SINGLE SECONDARY
  • Winding Function and Quantity: 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
  • Body Width: 0.813 INCHES NOMINAL IN
  • Body Length: 1.250 INCHES NOMINAL IN
  • Transformer Function: LINE
  • Inclosure Type: OPEN
  • Body Height: 0.688 INCHES NOMINAL IN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,audio Frequency, cataloged under National Stock Number 5950-00-465-7987, 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 Princeton Tool Inc Div Paragon Precision. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-465-7987
Primary Part NumberA31139
Item NameTransformer,audio Frequency
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerPrinceton Tool Inc Div Paragon Precision
StatusACTIVE
Impedance Rating in Ohms3.2 NOMINAL SINGLE COMPONENT SINGLE SECONDARY
Winding Function and Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Body Width0.813 INCHES NOMINAL IN
Body Length1.250 INCHES NOMINAL IN
Transformer FunctionLINE
Inclosure TypeOPEN
Body Height0.688 INCHES NOMINAL IN
Distance Between Mounting Facility Centers1.031 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Terminal Type and Quantity2 TAB, SOLDER LUG AND 2 WIRE LEAD
Impedance Rating in Ohms20000.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Mounting Hole Diameter0.140 INCHES NOMINAL SINGLE GROUP IN
Mounting Facility Quantity2 SINGLE GROUP
Mounting MethodUNTHREADED HOLE(S) SINGLE GROUP
Maximum Transformer Power Rating50.0 MILLIWATTS SINGLE COMPONENT
Reliability IndicatorNOT ESTABLISHED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5330-00-292-161214282 INTERCHANGEABLE
Seal,plain Encased
Skf Usa Inc. Dba Skf Aerospace Sealing Solutions
5950-00-645-37065221 INTERCHANGEABLE
Coil,radio Frequency
Bourns Inc
Cross-Reference Index
Part NumberManufacturer
TA11477-00-00 Princeton Tool Inc Div Paragon Precision (USA)
SA11477 Princeton Tool Inc Div Paragon Precision (USA)
A31139 PRIMARY Princeton Tool Inc Div Paragon Precision (USA)
Related Parts
5330-00-292-1612INTERCHANGEABLE
SEAL,PLAIN ENCASED
14282
5950-00-645-3706INTERCHANGEABLE
COIL,RADIO FREQUENCY
5221

Frequently Asked Questions

What is NSN 5950-00-465-7987?

NSN 5950-00-465-7987 is a Transformer,audio Frequency, manufactured by Princeton Tool Inc Div Paragon Precision, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-465-7987?

NSN 5950-00-465-7987 has 3 cross-referenced part numbers: TA11477-00-00 (Princeton Tool Inc Div Paragon Precision), SA11477 (Princeton Tool Inc Div Paragon Precision), A31139 (Princeton Tool Inc Div Paragon Precision).

What NSN replaces 5950-00-465-7987?

There are 2 known substitutes for 5950-00-465-7987: 5330-00-292-1612, 5950-00-645-3706. Verify interchangeability with system specifications before substitution.

What are the specifications of A31139?

Key specifications for A31139: Impedance Rating in Ohms: 3.2 NOMINAL SINGLE COMPONENT SINGLE SECONDARY; Winding Function and Quantity: 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT; Body Width: 0.813 INCHES NOMINAL IN; Body Length: 1.250 INCHES NOMINAL IN. 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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