PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SB40013-1Transformer,audio Frequency

Sparton Corporation Div Sparton Electronics · NSN 5950-00-646-3062 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-646-3062 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-646-3062. Primary manufacturer part number: SB40013-1.
Features
  • Transformer,audio Frequency — FSC 5950
  • Reliability Indicator: NOT ESTABLISHED
  • Thread Quantity Per Inch: 32 SINGLE GROUP
  • Inclosure Type: HERMETICALLY SEALED
  • Mounting Method: THREADED STUD(S) SINGLE GROUP
  • Body Width: 1.625 INCHES NOMINAL IN
  • Frequency Rating: 20.0 HERTZ MINIMUM AND 6.0 KILOHERTZ MAXIMUM SINGLE COMPONENT
  • Nominal Thread Size: 0.138 INCHES SINGLE GROUP 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 5950-00-646-3062, 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 Sparton Corporation Div Sparton Electronics. Government technical data includes 20 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 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
NSN5950-00-646-3062
Primary Part NumberSB40013-1
Item NameTransformer,audio Frequency
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerSparton Corporation Div Sparton Electronics
StatusACTIVE
Reliability IndicatorNOT ESTABLISHED
Thread Quantity Per Inch32 SINGLE GROUP
Inclosure TypeHERMETICALLY SEALED
Mounting MethodTHREADED STUD(S) SINGLE GROUP
Body Width1.625 INCHES NOMINAL IN
Frequency Rating20.0 HERTZ MINIMUM AND 6.0 KILOHERTZ MAXIMUM SINGLE COMPONENT
Nominal Thread Size0.138 INCHES SINGLE GROUP IN
Winding Function and Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Impedance Rating in Ohms11000.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Mounting Facility Quantity4 SINGLE GROUP
Body Height2.375 INCHES NOMINAL IN
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Winding Operating Current15.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE PRIMARY
Impedance Rating in Ohms600.0 NOMINAL SINGLE COMPONENT SINGLE SECONDARY
Terminal Type and Quantity4 SOLDER STUD
Primary to Secondary Turn Ratio1 TO 3 SINGLE COMPONENT
Maximum Transformer Power Rating100.0 MILLIWATTS SINGLE COMPONENT
Center to Center Distance Between Mounting Facilities Parallel to Width1.062 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Body Length1.625 INCHES NOMINAL IN
Center to Center Distance Between Mounting Facilities Parallel to Length1.062 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3110-00-156-18972913 INTERCHANGEABLE
Bearing,ball,thrust
Skf Usa Inc.
1005-00-344-62582913 INTERCHANGEABLE
Spring,locking Bolt
Smith & Wesson Sales Company
5315-00-401-69623913 INTERCHANGEABLE
Pin,straight,headless
Eaton Aerospace, Llc Dba Jackson South
6930-00-471-96742913 INTERCHANGEABLE
Altimeter,pressure,barometer
Lilbern Design of Virginia Llc
5950-00-647-5754654905 INTERCHANGEABLE
Transformer,power
Lockheed Martin Corporation Div Rms - Mitchel Field
6510-00-721-98082913 INTERCHANGEABLE
Sponge,surgical
Cardinal Health 200, Llc
5905-00-891-24175-8CA48F6200 INTERCHANGEABLE
Resistor,fixed,wire Wound,induct
Ohmite Holding, L.l.c. Dba Ohmite Manufacturing
5985-01-142-6464ATT-0291-03-SMA-02 INTERCHANGEABLE
Attenuator,fixed
Cinch Connectivity Solutions Inc
5962-01-231-5459A584A245-101 INTERCHANGEABLE
Microcircuit,digital
Kearfott Corporation Div Guidance and Navigation Division
5910-01-254-8947 INTERCHANGEABLE
Capacitor,fixed,mica Dielectric
Cross-Reference Index
Part NumberManufacturer
SB40013-1 Sparton Corporation Div Sparton Electronics (USA)
BTC2913 Berkshire Transformer (USA)
SMC166290 Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir (USA)
2913 Berkshire Transformer (USA)
Related Parts
3110-00-156-1897INTERCHANGEABLE
BEARING,BALL,THRUST
2913
1005-00-344-6258INTERCHANGEABLE
SPRING,LOCKING BOLT
2913
5315-00-401-6962INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
3913
6930-00-471-9674INTERCHANGEABLE
ALTIMETER,PRESSURE,BAROMETER
2913
5950-00-647-5754INTERCHANGEABLE
TRANSFORMER,POWER
654905
6510-00-721-9808INTERCHANGEABLE
SPONGE,SURGICAL
2913
5905-00-891-2417INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND,INDUCT
5-8CA48F6200
5985-01-142-6464INTERCHANGEABLE
ATTENUATOR,FIXED
ATT-0291-03-SMA-02
5962-01-231-5459INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
A584A245-101
5910-01-254-8947INTERCHANGEABLE
CAPACITOR,FIXED,MICA DIELECTRIC
4510-01-413-3554INTERCHANGEABLE
HANDLE,FAUCET
2913
2590-01-554-5444INTERCHANGEABLE
MODIFICATION KIT,VEHICULAR EQUIP
2-913

Frequently Asked Questions

What is NSN 5950-00-646-3062?

NSN 5950-00-646-3062 is a Transformer,audio Frequency, manufactured by Sparton Corporation Div Sparton Electronics, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-646-3062?

NSN 5950-00-646-3062 has 4 cross-referenced part numbers: SB40013-1 (Sparton Corporation Div Sparton Electronics), BTC2913 (Berkshire Transformer), SMC166290 (Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir), 2913 (Berkshire Transformer).

What NSN replaces 5950-00-646-3062?

There are 12 known substitutes for 5950-00-646-3062: 3110-00-156-1897, 1005-00-344-6258, 5315-00-401-6962 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of SB40013-1?

Key specifications for SB40013-1: Reliability Indicator: NOT ESTABLISHED; Thread Quantity Per Inch: 32 SINGLE GROUP; Inclosure Type: HERMETICALLY SEALED; Mounting Method: THREADED STUD(S) SINGLE GROUP. 20 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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