PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

6261Transformer,power

Altec Lansing Corp Sound Products Div · NSN 5950-00-686-6848 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-686-6848 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-686-6848. Primary manufacturer part number: 6261.
Features
  • Transformer,power — FSC 5950
  • Nominal Thread Size: 0.138 INCHES SINGLE GROUP IN
  • Reliability Indicator: NOT ESTABLISHED
  • Mounting Facility Quantity: 4 SINGLE GROUP
  • Thread Quantity Per Inch: 32 SINGLE GROUP
  • Center to Center Distance Between Mounting Facilities Parallel to Width: 1.188 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
  • Winding Shielding Method: INTERNAL SHIELD GROUNDED TO INCLOSURE SINGLE COMPONENT
  • Input-Output Phase Relationship: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,power, cataloged under National Stock Number 5950-00-686-6848, 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 Altec Lansing Corp Sound Products Div. Government technical data includes 20 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-686-6848
Primary Part Number6261
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerAltec Lansing Corp Sound Products Div
StatusACTIVE
Nominal Thread Size0.138 INCHES SINGLE GROUP IN
Reliability IndicatorNOT ESTABLISHED
Mounting Facility Quantity4 SINGLE GROUP
Thread Quantity Per Inch32 SINGLE GROUP
Center to Center Distance Between Mounting Facilities Parallel to Width1.188 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Winding Shielding MethodINTERNAL SHIELD GROUNDED TO INCLOSURE SINGLE COMPONENT
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Inclosure TypeHERMETICALLY SEALED
Frequency Rating400.0 HERTZ MINIMUM AND 1.6 KILOHERTZ MAXIMUM SINGLE COMPONENT
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Terminal Type and Quantity5 TAB, SOLDER LUG
Body Width1.630 INCHES NOMINAL IN
Winding Operating Voltage115.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Body Length2.250 INCHES NOMINAL IN
Mounting MethodTHREADED HOLE(S) SINGLE GROUP
Winding Operating Current250.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY
Center to Center Distance Between Mounting Facilities Parallel to Length1.000 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Body Height1.440 INCHES NOMINAL IN
Winding Function and Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Winding Operating Voltage115.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5950-00-169-9169615502 INTERCHANGEABLE
Transformer,audio Frequency
Lockheed Martin Corp
4820-00-287-33178544-8055 INTERCHANGEABLE
Valve,globe
Union Carbide Corp Sub of Dow Co the
5340-00-316-92506261 INTERCHANGEABLE
Bracket,angle
Gc/waldom Inc
5331-00-375-7090576-4824-1506669REVAPC6261 INTERCHANGEABLE
O-Ring
Naval Ship Systems Command
5950-00-842-426616054 INTERCHANGEABLE
Reactor
Magnetek Inc Lighting Products Group
5355-01-124-3671626-1 INTERCHANGEABLE
Knob
Kurz-Kasch Inc
5950-01-136-405916610065-001 INTERCHANGEABLE
Coil,radio Frequency
Sypris Electronics, Llc Div Sypris Electronics, Llc - Colorado Field Services
Cross-Reference Index
Part NumberManufacturer
6261 Altec Lansing Corp Sound Products Div (USA)
984541-19 Raytheon Company Dba Raytheon (USA)
Related Parts
5950-00-169-9169INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
615502
4820-00-287-3317INTERCHANGEABLE
VALVE,GLOBE
8544-8055
5340-00-316-9250INTERCHANGEABLE
BRACKET,ANGLE
6261
5331-00-375-7090INTERCHANGEABLE
O-RING
576-4824-1506669REVAPC6261
5950-00-842-4266INTERCHANGEABLE
REACTOR
16054
5355-01-124-3671INTERCHANGEABLE
KNOB
626-1
5950-01-136-4059INTERCHANGEABLE
COIL,RADIO FREQUENCY
16610065-001

Frequently Asked Questions

What is NSN 5950-00-686-6848?

NSN 5950-00-686-6848 is a Transformer,power, manufactured by Altec Lansing Corp Sound Products Div, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-686-6848?

NSN 5950-00-686-6848 has 2 cross-referenced part numbers: 6261 (Altec Lansing Corp Sound Products Div), 984541-19 (Raytheon Company Dba Raytheon).

What NSN replaces 5950-00-686-6848?

There are 7 known substitutes for 5950-00-686-6848: 5950-00-169-9169, 4820-00-287-3317, 5340-00-316-9250 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 6261?

Key specifications for 6261: Nominal Thread Size: 0.138 INCHES SINGLE GROUP IN; Reliability Indicator: NOT ESTABLISHED; Mounting Facility Quantity: 4 SINGLE GROUP; Thread Quantity Per Inch: 32 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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