PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

18310Transformer,power

Unitron, Lp Dba Unitron Power Systems, Lp ; Atlas Marine Systems · NSN 5950-00-135-0747 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-135-0747 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-135-0747. Primary manufacturer part number: 18310.
Features
  • Transformer,power — FSC 5950
  • Center to Center Distance Between Mounting Facilities Parallel to Width: 4.000 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
  • Body Width: 5.000 INCHES NOMINAL IN
  • Inclosure Type: HERMETICALLY SEALED
  • Winding Shielding Method: INTERNAL SHIELD BROUGHT OUT TO TERMINAL SINGLE COMPONENT
  • Input-Output Phase Relationship: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
  • Center to Center Distance Between Mounting Facilities Parallel to Length: 3.000 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,power, cataloged under National Stock Number 5950-00-135-0747, 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 Unitron, Lp Dba Unitron Power Systems, Lp ; Atlas Marine Systems. 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
NSN5950-00-135-0747
Primary Part Number18310
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerUnitron, Lp Dba Unitron Power Systems, Lp ; Atlas Marine Systems
StatusACTIVE
Center to Center Distance Between Mounting Facilities Parallel to Width4.000 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Body Width5.000 INCHES NOMINAL IN
Inclosure TypeHERMETICALLY SEALED
Winding Shielding MethodINTERNAL SHIELD BROUGHT OUT TO TERMINAL SINGLE COMPONENT
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Center to Center Distance Between Mounting Facilities Parallel to Length3.000 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Winding Function and Quantity2 PRIMARY AND 10 SECONDARY SINGLE COMPONENT
Body Length7.000 INCHES NOMINAL IN
Frequency Rating47.0 HERTZ MINIMUM AND 67.0 HERTZ MAXIMUM SINGLE COMPONENT
Mounting Facility Quantity6 SINGLE GROUP
Nominal Thread Size0.164 INCHES SINGLE GROUP IN
Body Height3.060 INCHES MAXIMUM IN
Mounting MethodTHREADED HOLE(S) SINGLE GROUP
Terminal Type and Quantity6 STANDOFF, SOLDER LUG AND 20 STANDOFF, SOLDERLESS LUG
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4820-00-036-176218-3-10 INTERCHANGEABLE
Disk,valve
Anderson Greenwood Lp Dba Anderson Greenwood Crosby
5950-00-086-8840 INTERCHANGEABLE
Coil,radio Frequency
1650-00-321-209118310 INTERCHANGEABLE
Disk,valve
Parker-Hannifin Corporation Dba Control Systems Division
5133-00-838-5245 INTERCHANGEABLE
Drill,twist
5940-00-983-6131 INTERCHANGEABLE
Terminal Board
5950-00-998-4258546737 INTERCHANGEABLE
Transformer,power
Cae Usa Inc.
5961-01-084-6735 INTERCHANGEABLE
Semiconductor Device Assembly
6660-01-423-6632 INTERCHANGEABLE
Propeller Torque Disc
6660-01-443-111218310 INTERCHANGEABLE
Disc,torque,wind
R. M. Young Company Llc
6540-01-467-054018310 INTERCHANGEABLE
Ophthalmoscope,retinoscope,and T
Welch Allyn, Inc.
Cross-Reference Index
Part NumberManufacturer
18310 PRIMARY Unitron, Lp Dba Unitron Power Systems, Lp ; Atlas Marine Systems (USA)
18310 Unitron Inc (USA)
Related Parts
4820-00-036-1762INTERCHANGEABLE
DISK,VALVE
18-3-10
5950-00-086-8840INTERCHANGEABLE
COIL,RADIO FREQUENCY
1650-00-321-2091INTERCHANGEABLE
DISK,VALVE
18310
5133-00-838-5245INTERCHANGEABLE
DRILL,TWIST
5940-00-983-6131INTERCHANGEABLE
TERMINAL BOARD
5950-00-998-4258INTERCHANGEABLE
TRANSFORMER,POWER
546737
5961-01-084-6735INTERCHANGEABLE
SEMICONDUCTOR DEVICE ASSEMBLY
6660-01-423-6632INTERCHANGEABLE
PROPELLER TORQUE DISC
6660-01-443-1112INTERCHANGEABLE
DISC,TORQUE,WIND
18310
6540-01-467-0540INTERCHANGEABLE
OPHTHALMOSCOPE,RETINOSCOPE,AND T
18310
8105-01-525-8666INTERCHANGEABLE
BAG,PLASTIC
183-10
6635-01-661-5081INTERCHANGEABLE
REFERENCE STANDARD,PHYSICAL PROP
18310

Frequently Asked Questions

What is NSN 5950-00-135-0747?

NSN 5950-00-135-0747 is a Transformer,power, manufactured by Unitron, Lp Dba Unitron Power Systems, Lp ; Atlas Marine Systems, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-135-0747?

NSN 5950-00-135-0747 has 2 cross-referenced part numbers: 18310 (Unitron, Lp Dba Unitron Power Systems, Lp ; Atlas Marine Systems), 18310 (Unitron Inc).

What NSN replaces 5950-00-135-0747?

There are 12 known substitutes for 5950-00-135-0747: 4820-00-036-1762, 5950-00-086-8840, 1650-00-321-2091 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 18310?

Key specifications for 18310: Special Features: BALLAST CHOKE BETWEEN TERMINALS 2 AND 16; Overall Width: 5.375 INCHES NOMINAL IN; Center to Center Distance Between Mounting Facilities Parallel to Width: 4.000 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN; Thread Series Designator: UNIFIED NATIONAL COARSE (UNC) SINGLE GROUP. 17 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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