PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3789-2Transformer,power

Howell Laboratories Inc Dba Howell Laboratories Inc · NSN 5950-00-470-1399 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-470-1399 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-470-1399. Primary manufacturer part number: 3789-2.
Features
  • Transformer,power — FSC 5950
  • Distance Between Mounting Facility Centers: 5.375 INCHES NOMINAL AND 3.500 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
  • Body Height: 4.625 INCHES NOMINAL IN
  • Winding Operating Current: 6.3 AMPERES AC MAXIMUM SINGLE COMPONENT SINGLE PRIMARY
  • Winding Shielding Method: INTERNAL SHIELD GROUNDED TO CORE SINGLE COMPONENT
  • Mounting Slot Width: 0.281 INCHES NOMINAL SINGLE GROUP IN
  • Mounting Facility Quantity: 4 SINGLE GROUP
  • Input-Output Phase Relationship: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,power, cataloged under National Stock Number 5950-00-470-1399, 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 Howell Laboratories Inc Dba Howell Laboratories Inc. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-470-1399
Primary Part Number3789-2
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerHowell Laboratories Inc Dba Howell Laboratories Inc
StatusACTIVE
Distance Between Mounting Facility Centers5.375 INCHES NOMINAL AND 3.500 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Body Height4.625 INCHES NOMINAL IN
Winding Operating Current6.3 AMPERES AC MAXIMUM SINGLE COMPONENT SINGLE PRIMARY
Winding Shielding MethodINTERNAL SHIELD GROUNDED TO CORE SINGLE COMPONENT
Mounting Slot Width0.281 INCHES NOMINAL SINGLE GROUP IN
Mounting Facility Quantity4 SINGLE GROUP
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Body Width5.625 INCHES NOMINAL IN
Body Length7.500 INCHES NOMINAL IN
Mounting MethodSLOT SINGLE GROUP
Winding Power Rating1.5 KILOVOLT-AMPERES SINGLE COMPONENT SINGLE PRIMARY
Inclosure TypeFULLY INCLOSED
Frequency Rating60.0 HERTZ NOMINAL SINGLE COMPONENT
Terminal Type and Quantity5 WIRE LEAD
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5310-00-053-780882218 INTERCHANGEABLE
Nut,self-Locking,single Ball Sea
Hayes Wheels Intl Inc Akron Opns
5360-00-246-98724B8305 INTERCHANGEABLE
Spring,helical,extension
Caterpillar Inc Div Caterpillar Defense
5306-00-429-137437892 INTERCHANGEABLE
Bolt,special
Komatsu America Corporation
5310-00-637-7760 INTERCHANGEABLE
Nut,plain,single Ball Seat,hexag
5310-00-838-2063NTR25LH INTERCHANGEABLE
Nut,plain,single Ball Seat,hexag
Bridgestone Americas Tire Operations, Llc
5310-01-270-5463 INTERCHANGEABLE
Nut,plain,single Ball Seat,hexag
4710-01-298-272937892 INTERCHANGEABLE
Tube Assembly,metal
Williams International Co., L.l.c.
Cross-Reference Index
Part NumberManufacturer
3789-2 PRIMARY Howell Laboratories Inc Dba Howell Laboratories Inc (USA)
Related Parts
5310-00-053-7808INTERCHANGEABLE
NUT,SELF-LOCKING,SINGLE BALL SEA
82218
5360-00-246-9872INTERCHANGEABLE
SPRING,HELICAL,EXTENSION
4B8305
5306-00-429-1374INTERCHANGEABLE
BOLT,SPECIAL
37892
5310-00-637-7760INTERCHANGEABLE
NUT,PLAIN,SINGLE BALL SEAT,HEXAG
5310-00-838-2063INTERCHANGEABLE
NUT,PLAIN,SINGLE BALL SEAT,HEXAG
NTR25LH
5310-01-270-5463INTERCHANGEABLE
NUT,PLAIN,SINGLE BALL SEAT,HEXAG
4710-01-298-2729INTERCHANGEABLE
TUBE ASSEMBLY,METAL
37892

Frequently Asked Questions

What is NSN 5950-00-470-1399?

NSN 5950-00-470-1399 is a Transformer,power, manufactured by Howell Laboratories Inc Dba Howell Laboratories Inc, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-470-1399?

NSN 5950-00-470-1399 has 1 cross-referenced part number: 3789-2 (Howell Laboratories Inc Dba Howell Laboratories Inc).

What NSN replaces 5950-00-470-1399?

There are 7 known substitutes for 5950-00-470-1399: 5310-00-053-7808, 5360-00-246-9872, 5306-00-429-1374 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 3789-2?

Key specifications for 3789-2: Distance Between Mounting Facility Centers: 5.375 INCHES NOMINAL AND 3.500 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN; Body Height: 4.625 INCHES NOMINAL IN; Winding Operating Current: 6.3 AMPERES AC MAXIMUM SINGLE COMPONENT SINGLE PRIMARY; Winding Shielding Method: INTERNAL SHIELD GROUNDED TO CORE SINGLE COMPONENT. 15 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com