PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

101-3871-1Transformer,power

Behlman Electronics, Inc · NSN 5950-00-155-4740 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-155-4740 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-155-4740. Primary manufacturer part number: 101-3871-1.
Features
  • Transformer,power — FSC 5950
  • Terminal Type and Quantity: 13 TURRET
  • Thread Quantity Per Inch: 32 SINGLE GROUP
  • Center to Center Distance Between Mounting Facilities Parallel to Length: 1.812 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
  • Reliability Indicator: NOT ESTABLISHED
  • Input-Output Phase Relationship: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
  • Mounting Method: THREADED STUD(S) SINGLE GROUP
  • Mounting Facility Quantity: 4 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 5950-00-155-4740, 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 Behlman Electronics, Inc. Government technical data includes 15 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-155-4740
Primary Part Number101-3871-1
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerBehlman Electronics, Inc
StatusACTIVE
Terminal Type and Quantity13 TURRET
Thread Quantity Per Inch32 SINGLE GROUP
Center to Center Distance Between Mounting Facilities Parallel to Length1.812 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Reliability IndicatorNOT ESTABLISHED
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Mounting MethodTHREADED STUD(S) SINGLE GROUP
Mounting Facility Quantity4 SINGLE GROUP
Nominal Thread Size0.138 INCHES SINGLE GROUP IN
Body Height2.875 INCHES NOMINAL IN
Winding Function and Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Center to Center Distance Between Mounting Facilities Parallel to Width0.875 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Inclosure TypeFULLY INCLOSED
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Body Length2.187 INCHES NOMINAL IN
Body Width1.312 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5910-01-086-7392 INTERCHANGEABLE
Capacitor,fixed,mica Dielectric
Cross-Reference Index
Part NumberManufacturer
247ASC1937-001 Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA)
101-3871-1 PRIMARY Behlman Electronics, Inc (USA)
Related Parts
5910-01-086-7392INTERCHANGEABLE
CAPACITOR,FIXED,MICA DIELECTRIC

Frequently Asked Questions

What is NSN 5950-00-155-4740?

NSN 5950-00-155-4740 is a Transformer,power, manufactured by Behlman Electronics, Inc, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-155-4740?

NSN 5950-00-155-4740 has 2 cross-referenced part numbers: 247ASC1937-001 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier), 101-3871-1 (Behlman Electronics, Inc).

What NSN replaces 5950-00-155-4740?

There is 1 known substitute for 5950-00-155-4740: 5910-01-086-7392. Verify interchangeability with system specifications before substitution.

What are the specifications of 101-3871-1?

Key specifications for 101-3871-1: Terminal Type and Quantity: 13 TURRET; Thread Quantity Per Inch: 32 SINGLE GROUP; Center to Center Distance Between Mounting Facilities Parallel to Length: 1.812 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN; Reliability Indicator: NOT ESTABLISHED. 15 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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