PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

11881Transformer,power

Sora Power Inc. Dba Sigma Division · NSN 5950-01-245-2652 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-01-245-2652 — this item is cataloged by the U.S. Government under National Stock Number 5950-01-245-2652. Primary manufacturer part number: 11881.
Features
  • Transformer,power — FSC 5950
  • Winding Operating Voltage: 7.00 AC VOLTS NOMINAL SINGLE COMPONENT FIRST SECONDARY
  • Center to Center Distance Between Mounting Facilities Parallel to Width: 2.600 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
  • Winding Operating Voltage: 14.00 AC VOLTS NOMINAL SINGLE COMPONENT THIRD SECONDARY
  • Winding Operating Current: 1.5 AMPERES AC MAXIMUM SINGLE COMPONENT FIRST SECONDARY
  • Terminal Type and Quantity: 18 TAB, SOLDER LUG
  • Winding Operating Current: 1.5 AMPERES AC MAXIMUM SINGLE COMPONENT SECOND SECONDARY
  • Mounting Method: UNTHREADED 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 5950-01-245-2652, 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 Sora Power Inc. Dba Sigma Division. Government technical data includes 22 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. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-01-245-2652
Primary Part Number11881
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerSora Power Inc. Dba Sigma Division
StatusACTIVE
Winding Operating Voltage7.00 AC VOLTS NOMINAL SINGLE COMPONENT FIRST SECONDARY
Center to Center Distance Between Mounting Facilities Parallel to Width2.600 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Winding Operating Voltage14.00 AC VOLTS NOMINAL SINGLE COMPONENT THIRD SECONDARY
Winding Operating Current1.5 AMPERES AC MAXIMUM SINGLE COMPONENT FIRST SECONDARY
Terminal Type and Quantity18 TAB, SOLDER LUG
Winding Operating Current1.5 AMPERES AC MAXIMUM SINGLE COMPONENT SECOND SECONDARY
Mounting MethodUNTHREADED HOLE(S) SINGLE GROUP
Inclosure TypeFULLY INCLOSED
Winding Function and Quantity1 PRIMARY AND 5 SECONDARY SINGLE COMPONENT
Winding Operating Current130.0 AMPERES AC MAXIMUM SINGLE COMPONENT FOURTH SECONDARY
Center to Center Distance Between Mounting Facilities Parallel to Length2.600 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Winding Operating Voltage7.00 AC VOLTS NOMINAL SINGLE COMPONENT SECOND SECONDARY
Winding Operating Current130.0 AMPERES AC MAXIMUM SINGLE COMPONENT THIRD SECONDARY
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Winding Operating Voltage14.00 AC VOLTS NOMINAL SINGLE COMPONENT FOURTH SECONDARY
Winding Operating Current1.0 AMPERES AC MAXIMUM SINGLE COMPONENT FIFTH SECONDARY
Frequency Rating15.0 KILOHERTZ NOMINAL SINGLE COMPONENT
Mounting Facility Quantity4 SINGLE GROUP
Mounting Hole Diameter0.156 INCHES NOMINAL SINGLE GROUP IN
Reliability IndicatorNOT ESTABLISHED
Winding Operating Voltage372.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Winding Operating Voltage28.00 AC VOLTS NOMINAL SINGLE COMPONENT FIFTH SECONDARY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
5330-00-004-711319878 INTERCHANGEABLE
Gasket
Norwalk Compreseer Company Inc Dba Norwalk Compressor Company
4730-00-287-3281127950 INTERCHANGEABLE
Plug,pipe
Rolls-Royce Solutions America Inc
5950-00-645-9883 INTERCHANGEABLE
Reactor
5950-00-706-9404 INTERCHANGEABLE
Coil,radio Frequency
4820-01-197-720619878 INTERCHANGEABLE
Stem,fluid Valve
Flowserve Inc
6105-01-198-738919878 INTERCHANGEABLE
Stator,motor
Kurz & Root Generator Company, Llc
3040-01-230-1422 INTERCHANGEABLE
Control Assembly,push-Pull
5315-01-422-445511-881 INTERCHANGEABLE
Pin,straight,headed
Hoyt Corporation
3990-01-506-966017MTC/802A INTERCHANGEABLE
Tie Down,cargo,vehicle
Peck & Hale, Llc
4820-01-646-599560872-002 INTERCHANGEABLE
Valve,relief,pressure and Temper
Bell Textron Inc
Cross-Reference Index
Part NumberManufacturer
11881 PRIMARY Sora Power Inc. Dba Sigma Division (USA)
19878 PRIMARY Robert M. Hadley Company, Inc. (USA)
310-18436-01 Oeco, Llc Dba Pacific Scientific Oeco Div Fire Safety and Power Systems (USA)
H940045-001B Raytheon Company Dba Raytheon (USA)
Related Parts
5330-00-004-7113INTERCHANGEABLE
GASKET
19878
4730-00-287-3281INTERCHANGEABLE
PLUG,PIPE
127950
5950-00-645-9883INTERCHANGEABLE
REACTOR
5950-00-706-9404INTERCHANGEABLE
COIL,RADIO FREQUENCY
4820-01-197-7206INTERCHANGEABLE
STEM,FLUID VALVE
19878
6105-01-198-7389INTERCHANGEABLE
STATOR,MOTOR
19878
3040-01-230-1422INTERCHANGEABLE
CONTROL ASSEMBLY,PUSH-PULL
5315-01-422-4455INTERCHANGEABLE
PIN,STRAIGHT,HEADED
11-881
3990-01-506-9660INTERCHANGEABLE
TIE DOWN,CARGO,VEHICLE
17MTC/802A
4820-01-646-5995INTERCHANGEABLE
VALVE,RELIEF,PRESSURE AND TEMPER
60872-002

Frequently Asked Questions

What is NSN 5950-01-245-2652?

NSN 5950-01-245-2652 is a Transformer,power, manufactured by Sora Power Inc. Dba Sigma Division, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-01-245-2652?

NSN 5950-01-245-2652 has 4 cross-referenced part numbers: 11881 (Sora Power Inc. Dba Sigma Division), 19878 (Robert M. Hadley Company, Inc.), 310-18436-01 (Oeco, Llc Dba Pacific Scientific Oeco Div Fire Safety and Power Systems), H940045-001B (Raytheon Company Dba Raytheon).

What NSN replaces 5950-01-245-2652?

There are 10 known substitutes for 5950-01-245-2652: 5330-00-004-7113, 4730-00-287-3281, 5950-00-645-9883 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 11881?

Key specifications for 11881: Overall Height: 3.000 INCHES NOMINAL IN; Winding Operating Voltage: 7.00 AC VOLTS NOMINAL SINGLE COMPONENT FIRST SECONDARY; Center to Center Distance Between Mounting Facilities Parallel to Width: 2.600 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN; Winding Operating Voltage: 14.00 AC VOLTS NOMINAL SINGLE COMPONENT THIRD SECONDARY. 25 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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