PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

12612Transformer,pulse

Standex Electronics, Inc. · NSN 5950-01-004-3759 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-01-004-3759 — this item is cataloged by the U.S. Government under National Stock Number 5950-01-004-3759. Primary manufacturer part number: 12612.
Features
  • Transformer,pulse — FSC 5950
  • Terminal Type and Quantity: 4 PIN
  • Mounting Method: THREADED STUD(S) SINGLE GROUP
  • Body Length: 1.281 INCHES NOMINAL IN
  • Winding Function and Quantity: 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
  • Thread Quantity Per Inch: 40 SINGLE GROUP
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
  • Body Width: 1.281 INCHES NOMINAL IN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,pulse, cataloged under National Stock Number 5950-01-004-3759, 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 Standex 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-01-004-3759
Primary Part Number12612
Item NameTransformer,pulse
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerStandex Electronics, Inc.
StatusACTIVE
Terminal Type and Quantity4 PIN
Mounting MethodTHREADED STUD(S) SINGLE GROUP
Body Length1.281 INCHES NOMINAL IN
Winding Function and Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Thread Quantity Per Inch40 SINGLE GROUP
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Body Width1.281 INCHES NOMINAL IN
Body Height1.000 INCHES NOMINAL IN
Mounting Facility Quantity2 SINGLE GROUP
Nominal Thread Size0.112 INCHES SINGLE GROUP IN
Reliability IndicatorNOT ESTABLISHED
Distance Between Mounting Facility Centers1.250 INCHES NOMINAL ALL MOUNTING FACILITIES SINGLE CENTER GROUP IN
Inclosure TypeHERMETICALLY SEALED
Primary to Secondary Turn Ratio2 TO 1 SINGLE COMPONENT
DC Resistance Rating in Ohms7.000 SINGLE COMPONENT SINGLE SECONDARY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5940-00-329-5789 INTERCHANGEABLE
Terminal,lug
5935-00-430-6855ST5M1348TR2B INTERCHANGEABLE
Connector,plug,electrical
The Boeing Company Div Defense
5110-00-529-3681126-2 INTERCHANGEABLE
Trimming Tool,edge Cutting
C. S. Osborne and Company Dba Cs Osborne & Co
2815-00-546-596812612 INTERCHANGEABLE
Dowel,idler Thrust
Brinkley Technology Group Llc Dba Hercules Manufacturing
5315-00-616-5525MS35756-9 INTERCHANGEABLE
Key,woodruff
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5975-00-709-271612612 INTERCHANGEABLE
Nut,coupling,electrical Conduit
Unison Industries Llc
5136-00-729-5688316322 INTERCHANGEABLE
Tap,thread Cutting
Stanley Tools Div of Stanley Works
5360-01-120-346112612 INTERCHANGEABLE
Spring,helical,compression
Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions
6680-01-231-779712612 INTERCHANGEABLE
Gage Rod-Cap,liquid Level
Westerbeke Corporation
2510-01-327-047612612 INTERCHANGEABLE
Frame,structural,vehicular
DP Mfg Inc
Cross-Reference Index
Part NumberManufacturer
12612 PRIMARY Standex Electronics, Inc. (USA)
1201765 Lockheed Martin Corporation Div Rms - Mitchel Field (USA)
Related Parts
5940-00-329-5789INTERCHANGEABLE
TERMINAL,LUG
5935-00-430-6855INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
ST5M1348TR2B
5110-00-529-3681INTERCHANGEABLE
TRIMMING TOOL,EDGE CUTTING
126-2
2815-00-546-5968INTERCHANGEABLE
DOWEL,IDLER THRUST
12612
5315-00-616-5525INTERCHANGEABLE
KEY,WOODRUFF
MS35756-9
5975-00-709-2716INTERCHANGEABLE
NUT,COUPLING,ELECTRICAL CONDUIT
12612
5136-00-729-5688INTERCHANGEABLE
TAP,THREAD CUTTING
316322
5360-01-120-3461INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
12612
6680-01-231-7797INTERCHANGEABLE
GAGE ROD-CAP,LIQUID LEVEL
12612
2510-01-327-0476INTERCHANGEABLE
FRAME,STRUCTURAL,VEHICULAR
12612
6240-01-345-6081INTERCHANGEABLE
LAMP,INCANDESCENT
40A/34/SS/120V
4920-01-498-6655INTERCHANGEABLE
CONTROL PANEL,TEST

Frequently Asked Questions

What is NSN 5950-01-004-3759?

NSN 5950-01-004-3759 is a Transformer,pulse, manufactured by Standex Electronics, Inc., classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-01-004-3759?

NSN 5950-01-004-3759 has 2 cross-referenced part numbers: 12612 (Standex Electronics, Inc.), 1201765 (Lockheed Martin Corporation Div Rms - Mitchel Field).

What NSN replaces 5950-01-004-3759?

There are 12 known substitutes for 5950-01-004-3759: 5940-00-329-5789, 5935-00-430-6855, 5110-00-529-3681 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 12612?

Key specifications for 12612: Terminal Type and Quantity: 4 PIN; Mounting Method: THREADED STUD(S) SINGLE GROUP; Body Length: 1.281 INCHES NOMINAL IN; Winding Function and Quantity: 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT. 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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