PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

VT20BTransformer,power

Ohmite Holding, L.l.c. Dba Ohmite Manufacturing · NSN 5950-00-503-0632 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-503-0632 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-503-0632. Primary manufacturer part number: VT20B.
Features
  • Transformer,power — FSC 5950
  • Terminal Type and Quantity: 7 SCREW
  • Mounting Slot Width: 0.375 INCHES NOMINAL SINGLE GROUP IN
  • Body Height: 5.688 INCHES NOMINAL IN
  • Frequency Rating: 50.0 HERTZ NOMINAL AND 60.0 HERTZ NOMINAL SINGLE COMPONENT
  • Input-Output Phase Relationship: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
  • Mounting Method: SLOT SINGLE GROUP
  • Winding Shielding Method: INTERNAL SHIELD GROUNDED TO INCLOSURE 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 5950-00-503-0632, 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 Ohmite Holding, L.l.c. Dba Ohmite Manufacturing. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 11 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5950-00-503-0632
Primary Part NumberVT20B
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerOhmite Holding, L.l.c. Dba Ohmite Manufacturing
StatusCANCELLED
Terminal Type and Quantity7 SCREW
Mounting Slot Width0.375 INCHES NOMINAL SINGLE GROUP IN
Body Height5.688 INCHES NOMINAL IN
Frequency Rating50.0 HERTZ NOMINAL AND 60.0 HERTZ NOMINAL SINGLE COMPONENT
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Mounting MethodSLOT SINGLE GROUP
Winding Shielding MethodINTERNAL SHIELD GROUNDED TO INCLOSURE SINGLE COMPONENT
Inclosure TypeFULLY INCLOSED
Body Length9.625 INCHES NOMINAL IN
Body Width7.875 INCHES NOMINAL IN
Distance Between Mounting Facility Centers5.875 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Mounting Facility Quantity4 SINGLE GROUP
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 9
2990-00-234-3041T-6981 INTERCHANGEABLE
Muffler,exhaust
Cummins Filtration Inc.
5940-00-280-06152500B INTERCHANGEABLE
Terminal,stud
Winchester Interconnect Corporation Dba Winchester Interconnect Div Winchester Interconnect
5120-00-473-44562062-117 PIECE N3 INTERCHANGEABLE
Wrench,special
General Dynamics Corp
5340-00-597-6074BACS12B-2 INTERCHANGEABLE
Fastener,flare Lock
The Boeing Company Div Defense
5961-01-031-2001 INTERCHANGEABLE
Semiconductor Device,thyristor
5961-01-099-0082698-1 INTERCHANGEABLE
Rectifier,semiconductor Device,u
Micro Uspd Inc
4320-01-310-644721317 INTERCHANGEABLE
Plate Assembly,balance
Eaton Corporation Div Eaton Fluid Power
5915-01-361-7699A3060816-011 INTERCHANGEABLE
Filter,band Pass
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5835-01-618-76212500B INTERCHANGEABLE
Reproducer,sound
Giga-Tronics Incorporated Dba Giga-Tronics
Cross-Reference Index
Part NumberManufacturer
100QPTV20M Genrad Inc (USA)
VT20B PRIMARY Ohmite Holding, L.l.c. Dba Ohmite Manufacturing (USA)
9T92Y28G2 General Electric Co Specialty Transformer Dept (USA)
136BT PRIMARY Superior Electric Holding Group Llc Div Specialty Product Technologies (USA)
2510CT PRIMARY Staco Energy Products Co Dba Staco Energy Products Co (USA)
IF171USM PRIMARY Joint Electronics Type Designation System (USA)
6981 Staco Energy Products Co Dba Staco Energy Products Co (USA)
2500B Staco Energy Products Co Dba Staco Energy Products Co (USA)
W20M PRIMARY Technipower Llc Dba Unipower (USA)
W20M Genrad Inc (USA)
100QPTV20M Technipower Llc Dba Unipower (USA)
Related Parts
2990-00-234-3041INTERCHANGEABLE
MUFFLER,EXHAUST
T-6981
5940-00-280-0615INTERCHANGEABLE
TERMINAL,STUD
2500B
5120-00-473-4456INTERCHANGEABLE
WRENCH,SPECIAL
2062-117 PIECE N3
5340-00-597-6074INTERCHANGEABLE
FASTENER,FLARE LOCK
BACS12B-2
5961-01-031-2001INTERCHANGEABLE
SEMICONDUCTOR DEVICE,THYRISTOR
5961-01-099-0082INTERCHANGEABLE
RECTIFIER,SEMICONDUCTOR DEVICE,U
698-1
4320-01-310-6447INTERCHANGEABLE
PLATE ASSEMBLY,BALANCE
21317
5915-01-361-7699INTERCHANGEABLE
FILTER,BAND PASS
A3060816-011
5835-01-618-7621INTERCHANGEABLE
REPRODUCER,SOUND
2500B

Frequently Asked Questions

What is NSN 5950-00-503-0632?

NSN 5950-00-503-0632 is a Transformer,power, manufactured by Ohmite Holding, L.l.c. Dba Ohmite Manufacturing, classified under FSC 5950 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5950-00-503-0632?

NSN 5950-00-503-0632 has 11 cross-referenced part numbers: 100QPTV20M (Genrad Inc), VT20B (Ohmite Holding, L.l.c. Dba Ohmite Manufacturing), 9T92Y28G2 (General Electric Co Specialty Transformer Dept), 136BT (Superior Electric Holding Group Llc Div Specialty Product Technologies), 2510CT (Staco Energy Products Co Dba Staco Energy Products Co) and 6 more.

What NSN replaces 5950-00-503-0632?

There are 9 known substitutes for 5950-00-503-0632: 2990-00-234-3041, 5940-00-280-0615, 5120-00-473-4456 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of VT20B?

Key specifications for VT20B: Terminal Type and Quantity: 7 SCREW; Mounting Slot Width: 0.375 INCHES NOMINAL SINGLE GROUP IN; Body Height: 5.688 INCHES NOMINAL IN; Frequency Rating: 50.0 HERTZ NOMINAL AND 60.0 HERTZ NOMINAL SINGLE COMPONENT. 12 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5950-00-503-0632 still in active supply?

NSN 5950-00-503-0632 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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