PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SB-004Transformer,power

Technical Services Laboratory, Inc. Dba Technical Services Laboratory Inc · NSN 5950-00-949-0118 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-949-0118 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-949-0118. Primary manufacturer part number: SB-004.
Features
  • Transformer,power — FSC 5950
  • Center to Center Distance Between Mounting Facilities Parallel to Width: 2.720 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
  • Winding Shielding Method: INTERNAL SHIELD GROUNDED TO CORE SINGLE COMPONENT
  • Winding Function and Quantity: 1 PRIMARY AND 3 SECONDARY SINGLE COMPONENT
  • Body Length: 3.120 INCHES NOMINAL IN
  • Winding Operating Voltage: 18.00 AC VOLTS NOMINAL SINGLE COMPONENT SECOND SECONDARY
  • Body Height: 2.060 INCHES NOMINAL IN
  • Winding Operating Current: 600.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT THIRD SECONDARY
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,power, cataloged under National Stock Number 5950-00-949-0118, 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 Technical Services Laboratory, Inc. Dba Technical Services Laboratory Inc. Government technical data includes 24 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-949-0118
Primary Part NumberSB-004
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerTechnical Services Laboratory, Inc. Dba Technical Services Laboratory Inc
StatusACTIVE
Center to Center Distance Between Mounting Facilities Parallel to Width2.720 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Winding Shielding MethodINTERNAL SHIELD GROUNDED TO CORE SINGLE COMPONENT
Winding Function and Quantity1 PRIMARY AND 3 SECONDARY SINGLE COMPONENT
Body Length3.120 INCHES NOMINAL IN
Winding Operating Voltage18.00 AC VOLTS NOMINAL SINGLE COMPONENT SECOND SECONDARY
Body Height2.060 INCHES NOMINAL IN
Winding Operating Current600.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT THIRD SECONDARY
Body Width2.620 INCHES NOMINAL IN
Reliability IndicatorNOT ESTABLISHED
Winding Operating Voltage18.00 AC VOLTS NOMINAL SINGLE COMPONENT FIRST SECONDARY
Winding Operating Current500.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT FIRST SECONDARY
Inclosure TypeHERMETICALLY SEALED
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Mounting MethodTHREADED STUD(S) SINGLE GROUP
Frequency Rating50.0 HERTZ MINIMUM AND 400.0 HERTZ MAXIMUM SINGLE COMPONENT
Winding Operating Voltage28.00 AC VOLTS NOMINAL SINGLE COMPONENT THIRD SECONDARY
Mounting Facility Quantity4 SINGLE GROUP
Winding Operating Voltage230.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Thread Quantity Per Inch32 SINGLE GROUP
Nominal Thread Size0.138 INCHES SINGLE GROUP IN
Terminal Type and Quantity11 STANDOFF, SOLDER LUG
Center to Center Distance Between Mounting Facilities Parallel to Length2.190 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Winding Operating Current500.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT SECOND SECONDARY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5330-00-641-223037574 INTERCHANGEABLE
Seal,plain Encased
Skf Usa Inc. Dba Skf Aerospace Sealing Solutions
5365-01-357-1737SK56Y21-92-1 SIZE B-004 INTERCHANGEABLE
Shim
Naval Sea Systems Command
7025-01-399-6079B004 INTERCHANGEABLE
Disk Drive Unit
Lockheed Martin Corporation Div Rms - Manassas
2610-01-481-781637574 INTERCHANGEABLE
Tire,pneumatic,vehicular
Tld Wollard Llc
Cross-Reference Index
Part NumberManufacturer
336-070-026 L3harris Interstate Electronics Corporation (USA)
SB-004 Reico Inc (USA)
B004 Aiken Advanced Systems Inc a Div of Amstar Technical Products Inc an Affil of Amstar Corp (USA)
SB-004 Aiken Advanced Systems Inc a Div of Amstar Technical Products Inc an Affil of Amstar Corp (USA)
37574 Freed Transformer Co (USA)
SB-004 PRIMARY Technical Services Laboratory, Inc. Dba Technical Services Laboratory Inc (USA)
Related Parts
5330-00-641-2230INTERCHANGEABLE
SEAL,PLAIN ENCASED
37574
5365-01-357-1737INTERCHANGEABLE
SHIM
SK56Y21-92-1 SIZE B-004
7025-01-399-6079INTERCHANGEABLE
DISK DRIVE UNIT
B004
2610-01-481-7816INTERCHANGEABLE
TIRE,PNEUMATIC,VEHICULAR
37574

Frequently Asked Questions

What is NSN 5950-00-949-0118?

NSN 5950-00-949-0118 is a Transformer,power, manufactured by Technical Services Laboratory, Inc. Dba Technical Services Laboratory Inc, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-949-0118?

NSN 5950-00-949-0118 has 6 cross-referenced part numbers: 336-070-026 (L3harris Interstate Electronics Corporation), SB-004 (Reico Inc), B004 (Aiken Advanced Systems Inc a Div of Amstar Technical Products Inc an Affil of Amstar Corp), SB-004 (Aiken Advanced Systems Inc a Div of Amstar Technical Products Inc an Affil of Amstar Corp), 37574 (Freed Transformer Co) and 1 more.

What NSN replaces 5950-00-949-0118?

There are 4 known substitutes for 5950-00-949-0118: 5330-00-641-2230, 5365-01-357-1737, 7025-01-399-6079 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of SB-004?

Key specifications for SB-004: Center to Center Distance Between Mounting Facilities Parallel to Width: 2.720 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN; Winding Shielding Method: INTERNAL SHIELD GROUNDED TO CORE SINGLE COMPONENT; Winding Function and Quantity: 1 PRIMARY AND 3 SECONDARY SINGLE COMPONENT; Body Length: 3.120 INCHES NOMINAL IN. 24 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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