PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

301-123Transformer,power

B.c. Systems Inc. Dba Bc Systems Inc · NSN 5950-01-294-7636 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-01-294-7636 — this item is cataloged by the U.S. Government under National Stock Number 5950-01-294-7636. Primary manufacturer part number: 301-123.
Features
  • Transformer,power — FSC 5950
  • Reliability Indicator: NOT ESTABLISHED
  • Winding Function and Quantity: 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
  • Winding Power Rating: 34.0 VOLTS-AMPERES SINGLE COMPONENT SINGLE SECONDARY
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
  • Frequency Rating: 47.0 HERTZ MINIMUM AND 440.0 HERTZ MAXIMUM SINGLE COMPONENT
  • Winding Operating Voltage: 115.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
  • Mounting Method: THREADED HOLE(S) SINGLE GROUP
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,power, cataloged under National Stock Number 5950-01-294-7636, 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 B.c. Systems Inc. Dba Bc Systems Inc. Government technical data includes 20 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-01-294-7636
Primary Part Number301-123
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerB.c. Systems Inc. Dba Bc Systems Inc
StatusACTIVE
Reliability IndicatorNOT ESTABLISHED
Winding Function and Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Winding Power Rating34.0 VOLTS-AMPERES SINGLE COMPONENT SINGLE SECONDARY
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Frequency Rating47.0 HERTZ MINIMUM AND 440.0 HERTZ MAXIMUM SINGLE COMPONENT
Winding Operating Voltage115.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Mounting MethodTHREADED HOLE(S) SINGLE GROUP
Winding Operating Voltage34.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY
Body Height1.615 INCHES MINIMUM AND 1.635 INCHES MAXIMUM IN
Maximum Operating Temp155.0 CELSIUS DEGC
Terminal Type and Quantity5 TAB, SOLDER LUG
Center to Center Distance Between Mounting Facilities Parallel to Width1.150 INCHES MINIMUM AND 1.170 INCHES MAXIMUM SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Nominal Thread Size0.112 INCHES SINGLE GROUP IN
Body Width1.530 INCHES MINIMUM AND 1.590 INCHES MAXIMUM IN
Inclosure TypeFULLY INCLOSED
Mounting Facility Quantity4 SINGLE GROUP
Body Length1.850 INCHES MINIMUM AND 1.910 INCHES MAXIMUM IN
Center to Center Distance Between Mounting Facilities Parallel to Length1.552 INCHES MINIMUM AND 1.572 INCHES MAXIMUM SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Winding Operating Current1.0 AMPERES AC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
3040-00-007-56635100312 INTERCHANGEABLE
Shaft,shouldered
Hamilton Sundstrand Corporation
5905-00-279-3502 INTERCHANGEABLE
Resistor,fixed,composition
5325-00-281-6467 INTERCHANGEABLE
Ring,retaining
6145-01-208-545711735 INTERCHANGEABLE
Cable,radio Frequency
Nexans Aerospace Usa Llc
5915-01-332-7433241-0778-010 INTERCHANGEABLE
Filter,band Pass
Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
5962-01-341-43185100312 INTERCHANGEABLE
Microcircuit,digital
Lansdale Semiconductor, Inc.
5365-01-438-1626301123 INTERCHANGEABLE
Spacer,ring
Reliance Electric Company Dba Reliance & Dodge Brands
5999-01-439-4856301123 INTERCHANGEABLE
Shielding Gasket,electronic
Laurel Technologies Partnership Dba Drs Laurel Technologies
4720-01-508-7026301123 INTERCHANGEABLE
Tubing,nonmetallic
Kold-Ban International Ltd Div Kbi
5950-01-523-2479301123 INTERCHANGEABLE
Transformer,power
Tri-Tec Manufacturing Llc
Cross-Reference Index
Part NumberManufacturer
301-123 PRIMARY B.c. Systems Inc. Dba Bc Systems Inc (USA)
301-123 Tempo Instrument Inc Defense Electronics Div (USA)
C13381 Electronic Transformer Corp Div Electronic Transformer Corporation (USA)
5100-312 Raytheon Company Div Rmd Strategic (USA)
Related Parts
3040-00-007-5663INTERCHANGEABLE
SHAFT,SHOULDERED
5100312
5905-00-279-3502INTERCHANGEABLE
RESISTOR,FIXED,COMPOSITION
5325-00-281-6467INTERCHANGEABLE
RING,RETAINING
6145-01-208-5457INTERCHANGEABLE
CABLE,RADIO FREQUENCY
11735
5915-01-332-7433INTERCHANGEABLE
FILTER,BAND PASS
241-0778-010
5962-01-341-4318INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
5100312
5365-01-438-1626INTERCHANGEABLE
SPACER,RING
301123
5999-01-439-4856INTERCHANGEABLE
SHIELDING GASKET,ELECTRONIC
301123
4720-01-508-7026INTERCHANGEABLE
TUBING,NONMETALLIC
301123
5950-01-523-2479INTERCHANGEABLE
TRANSFORMER,POWER
301123
5340-01-645-6199INTERCHANGEABLE
BRACKET,MULTIPLE ANGLE

Frequently Asked Questions

What is NSN 5950-01-294-7636?

NSN 5950-01-294-7636 is a Transformer,power, manufactured by B.c. Systems Inc. Dba Bc Systems Inc, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-01-294-7636?

NSN 5950-01-294-7636 has 4 cross-referenced part numbers: 301-123 (B.c. Systems Inc. Dba Bc Systems Inc), 301-123 (Tempo Instrument Inc Defense Electronics Div), C13381 (Electronic Transformer Corp Div Electronic Transformer Corporation), 5100-312 (Raytheon Company Div Rmd Strategic).

What NSN replaces 5950-01-294-7636?

There are 11 known substitutes for 5950-01-294-7636: 3040-00-007-5663, 5905-00-279-3502, 5325-00-281-6467 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 301-123?

Key specifications for 301-123: Reliability Indicator: NOT ESTABLISHED; Winding Function and Quantity: 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT; Winding Power Rating: 34.0 VOLTS-AMPERES SINGLE COMPONENT SINGLE SECONDARY; Thread Series Designator: UNIFIED NATIONAL COARSE (UNC) 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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