PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3056Transformer,power

Ballantine Laboratories Inc · NSN 5950-00-133-2922 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-133-2922 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-133-2922. Primary manufacturer part number: 3056.
Features
  • Transformer,power — FSC 5950
  • Winding Operating Current: 1.2 AMPERES AC MAXIMUM SINGLE COMPONENT SECOND SECONDARY
  • Winding Operating Voltage: 115.00 AC VOLTS NOMINAL SINGLE COMPONENT ALL PRIMARY
  • Winding Operating Voltage: 6.30 AC VOLTS NOMINAL SINGLE COMPONENT THIRD SECONDARY
  • Winding Operating Current: 90.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT FOURTH SECONDARY
  • Winding Function and Quantity: 2 PRIMARY AND 4 SECONDARY SINGLE COMPONENT
  • Winding Shielding Method: CORE GROUNDED AND BROUGHT OUT TO TERMINAL AND INTERNAL SHIELD BROUGHT OUT TO TERMINAL SINGLE COMPONENT
  • Winding Operating Voltage: 6.30 AC VOLTS NOMINAL SINGLE COMPONENT SECOND SECONDARY
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,power, cataloged under National Stock Number 5950-00-133-2922, 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 Ballantine Laboratories Inc. Government technical data includes 21 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, 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
NSN5950-00-133-2922
Primary Part Number3056
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerBallantine Laboratories Inc
StatusACTIVE
Winding Operating Current1.2 AMPERES AC MAXIMUM SINGLE COMPONENT SECOND SECONDARY
Winding Operating Voltage115.00 AC VOLTS NOMINAL SINGLE COMPONENT ALL PRIMARY
Winding Operating Voltage6.30 AC VOLTS NOMINAL SINGLE COMPONENT THIRD SECONDARY
Winding Operating Current90.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT FOURTH SECONDARY
Winding Function and Quantity2 PRIMARY AND 4 SECONDARY SINGLE COMPONENT
Winding Shielding MethodCORE GROUNDED AND BROUGHT OUT TO TERMINAL AND INTERNAL SHIELD BROUGHT OUT TO TERMINAL SINGLE COMPONENT
Winding Operating Voltage6.30 AC VOLTS NOMINAL SINGLE COMPONENT SECOND SECONDARY
Frequency Rating50.0 HERTZ MINIMUM AND 420.0 HERTZ MAXIMUM SINGLE COMPONENT
Winding Operating Current600.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT FIRST SECONDARY
Winding Operating Current1.2 AMPERES AC MAXIMUM SINGLE COMPONENT THIRD SECONDARY
Winding Operating Voltage330.00 AC VOLTS NOMINAL SINGLE COMPONENT FOURTH SECONDARY
Mounting Slot Width0.188 INCHES NOMINAL SINGLE GROUP IN
Terminal Type and Quantity15 WIRE LEAD
Mounting MethodSLOT SINGLE GROUP
Inclosure TypePARTIALLY INCLOSED, DOUBLE SHELL
Center to Center Distance Between Mounting Facilities Parallel to Width2.250 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Winding Operating Voltage37.80 AC VOLTS NOMINAL SINGLE COMPONENT FIRST SECONDARY
Reliability IndicatorNOT ESTABLISHED
Mounting Facility Quantity4 SINGLE GROUP
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Center to Center Distance Between Mounting Facilities Parallel to Length2.500 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5360-00-057-2379 INTERCHANGEABLE
Spring,helical,compression
4920-00-135-48463056 INTERCHANGEABLE
Pickup,magnetic
Honeywell International Inc. Dba Honeywell Div Honeywell Sensing and Control
5120-00-221-2728305-6 INTERCHANGEABLE
Marlinespike
Leetonia Tool Co the
4730-00-277-9678305-6 INTERCHANGEABLE
Nipple,tube
Lenz Inc Dba the Lenz Company
6610-00-462-98403056 INTERCHANGEABLE
Shaft Assy,pinion
Kearflex Engineering Company
5305-00-468-32103056 INTERCHANGEABLE
Screw,assembled Washer
Dynalec Corporation
3439-01-184-3189SCLS4 INTERCHANGEABLE
Flux,soldering
J. W. Harris Co., Inc.
5340-01-244-4054 INTERCHANGEABLE
Cover,access
5930-01-265-54853056 INTERCHANGEABLE
Switch,toggle
Bunn-O-Matic Corporation Div Government Sales
5915-01-276-95663056 INTERCHANGEABLE
Filter
Oai Electronics, Llc Div Oai Electronics
Cross-Reference Index
Part NumberManufacturer
3056 PRIMARY Ballantine Laboratories Inc (USA)
MB1388D PRIMARY Ballantine Laboratories Inc (USA)
Related Parts
5360-00-057-2379INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
4920-00-135-4846INTERCHANGEABLE
PICKUP,MAGNETIC
3056
5120-00-221-2728INTERCHANGEABLE
MARLINESPIKE
305-6
4730-00-277-9678INTERCHANGEABLE
NIPPLE,TUBE
305-6
6610-00-462-9840INTERCHANGEABLE
SHAFT ASSY,PINION
3056
5305-00-468-3210INTERCHANGEABLE
SCREW,ASSEMBLED WASHER
3056
3439-01-184-3189INTERCHANGEABLE
FLUX,SOLDERING
SCLS4
5340-01-244-4054INTERCHANGEABLE
COVER,ACCESS
5930-01-265-5485INTERCHANGEABLE
SWITCH,TOGGLE
3056
5915-01-276-9566INTERCHANGEABLE
FILTER
3056
5325-01-328-4247INTERCHANGEABLE
RING,RETAINING
3056
6515-01-337-3682INTERCHANGEABLE
CATHETER AND NEEDLE UNIT,INTRAVE
3056

Frequently Asked Questions

What is NSN 5950-00-133-2922?

NSN 5950-00-133-2922 is a Transformer,power, manufactured by Ballantine Laboratories Inc, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-133-2922?

NSN 5950-00-133-2922 has 2 cross-referenced part numbers: 3056 (Ballantine Laboratories Inc), MB1388D (Ballantine Laboratories Inc).

What NSN replaces 5950-00-133-2922?

There are 12 known substitutes for 5950-00-133-2922: 5360-00-057-2379, 4920-00-135-4846, 5120-00-221-2728 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 3056?

Key specifications for 3056: Overall Length: 3.625 INCHES NOMINAL IN; Winding Operating Current: 1.2 AMPERES AC MAXIMUM SINGLE COMPONENT SECOND SECONDARY; Winding Operating Voltage: 115.00 AC VOLTS NOMINAL SINGLE COMPONENT ALL PRIMARY; Winding Operating Voltage: 6.30 AC VOLTS NOMINAL SINGLE COMPONENT THIRD SECONDARY. 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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