PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

S15Transformer,audio Frequency

Entron Industries Limited Partnership Dba Entron Industries Property Div · NSN 5950-00-645-0859 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-645-0859 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-645-0859. Primary manufacturer part number: S15.
Features
  • Transformer,audio Frequency — FSC 5950
  • Terminal Type and Quantity: 9 TAB, SOLDER LUG
  • Mounting Method: FLANGE AND SLOT SINGLE GROUP
  • Winding Function and Quantity: 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
  • Mounting Facility Quantity: 2 SINGLE GROUP
  • Mounting Slot Width: 0.125 INCHES NOMINAL SINGLE GROUP IN
  • Body Length: 2.375 INCHES NOMINAL IN
  • Body Height: 2.312 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 5950-00-645-0859, 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 Entron Industries Limited Partnership Dba Entron Industries Property Div. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 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
NSN5950-00-645-0859
Primary Part NumberS15
Item NameTransformer,audio Frequency
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerEntron Industries Limited Partnership Dba Entron Industries Property Div
StatusACTIVE
Terminal Type and Quantity9 TAB, SOLDER LUG
Mounting MethodFLANGE AND SLOT SINGLE GROUP
Winding Function and Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Mounting Facility Quantity2 SINGLE GROUP
Mounting Slot Width0.125 INCHES NOMINAL SINGLE GROUP IN
Body Length2.375 INCHES NOMINAL IN
Body Height2.312 INCHES NOMINAL IN
Maximum Transformer Power Rating12.0 WATTS SINGLE COMPONENT
Distance Between Mounting Facility Centers2.875 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Inclosure TypeFULLY INCLOSED
Body Width1.938 INCHES NOMINAL IN
Impedance Rating in Ohms4000.0 NOMINAL AND 10000.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Impedance Rating in Ohms2.0 NOMINAL AND 8.0 NOMINAL AND 15.0 NOMINAL AND 500.0 NOMINAL SINGLE COMPONENT SINGLE SECONDARY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4510-00-216-54663027 INTERCHANGEABLE
Plate,top,valve
Crest Good Manufacturing Co Inc
5310-00-227-4889 INTERCHANGEABLE
Washer,spring Tension
2940-00-364-34001595540PC1595582 INTERCHANGEABLE
Filter Element,fluid
General Motors Llc Dba General Motors Llc
5120-00-449-8114B1351A INTERCHANGEABLE
Wrench,open End
Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc
6740-00-466-0932 INTERCHANGEABLE
Tank,processing,photographic
2520-00-620-0254 INTERCHANGEABLE
Breather Asy
5340-00-686-5800S15 INTERCHANGEABLE
Spring,loading
Barnes Group Inc
5310-01-011-9607 INTERCHANGEABLE
Washer
5340-01-086-9654S1.5 INTERCHANGEABLE
Strap,retaining
Panduit Corp.
5310-01-303-8765169800-2 INTERCHANGEABLE
Washer,seal
Northrop Grumman Systems Corporation
Cross-Reference Index
Part NumberManufacturer
S15 United Transformer Corp Sub of Opt Industries Inc (USA)
S15 PRIMARY Entron Industries Limited Partnership Dba Entron Industries Property Div (USA)
S15 Magnetika Inc (USA)
Related Parts
4510-00-216-5466INTERCHANGEABLE
PLATE,TOP,VALVE
3027
5310-00-227-4889INTERCHANGEABLE
WASHER,SPRING TENSION
2940-00-364-3400INTERCHANGEABLE
FILTER ELEMENT,FLUID
1595540PC1595582
5120-00-449-8114INTERCHANGEABLE
WRENCH,OPEN END
B1351A
6740-00-466-0932INTERCHANGEABLE
TANK,PROCESSING,PHOTOGRAPHIC
2520-00-620-0254INTERCHANGEABLE
BREATHER ASY
5340-00-686-5800INTERCHANGEABLE
SPRING,LOADING
S15
5310-01-011-9607INTERCHANGEABLE
WASHER
5340-01-086-9654INTERCHANGEABLE
STRAP,RETAINING
S1.5
5310-01-303-8765INTERCHANGEABLE
WASHER,SEAL
169800-2
5920-01-326-7806INTERCHANGEABLE
FUSE,PLUG
12977
7320-01-387-7827INTERCHANGEABLE
VEGETABLE PEELING MACHINE,ELECTR
S-15

Frequently Asked Questions

What is NSN 5950-00-645-0859?

NSN 5950-00-645-0859 is a Transformer,audio Frequency, manufactured by Entron Industries Limited Partnership Dba Entron Industries Property Div, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-645-0859?

NSN 5950-00-645-0859 has 3 cross-referenced part numbers: S15 (United Transformer Corp Sub of Opt Industries Inc), S15 (Entron Industries Limited Partnership Dba Entron Industries Property Div), S15 (Magnetika Inc).

What NSN replaces 5950-00-645-0859?

There are 12 known substitutes for 5950-00-645-0859: 4510-00-216-5466, 5310-00-227-4889, 2940-00-364-3400 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of S15?

Key specifications for S15: Terminal Type and Quantity: 9 TAB, SOLDER LUG; Mounting Method: FLANGE AND SLOT SINGLE GROUP; Winding Function and Quantity: 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT; Mounting Facility Quantity: 2 SINGLE GROUP. 13 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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