PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

81028Transformer,power

Hammond Mfg Co Ltd · NSN 5950-00-229-1498 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-229-1498 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-229-1498. Primary manufacturer part number: 81028.
Features
  • Transformer,power — FSC 5950
  • Inclosure Type: FULLY INCLOSED
  • Mounting Method: TERMINAL SINGLE GROUP
  • Terminal Type and Quantity: 7 PIN
  • Winding Operating Voltage: 18.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
  • Winding Operating Voltage: 12.80 AC VOLTS NOMINAL SINGLE COMPONENT ALL SECONDARY
  • Winding Shielding Method: INTERNAL SHIELD BROUGHT OUT TO TERMINAL SINGLE COMPONENT
  • Frequency Rating: 400.0 HERTZ NOMINAL 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 5950-00-229-1498, 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 Hammond Mfg Co Ltd. Government technical data includes 12 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. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-229-1498
Primary Part Number81028
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerHammond Mfg Co Ltd
StatusACTIVE
Inclosure TypeFULLY INCLOSED
Mounting MethodTERMINAL SINGLE GROUP
Terminal Type and Quantity7 PIN
Winding Operating Voltage18.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Winding Operating Voltage12.80 AC VOLTS NOMINAL SINGLE COMPONENT ALL SECONDARY
Winding Shielding MethodINTERNAL SHIELD BROUGHT OUT TO TERMINAL SINGLE COMPONENT
Frequency Rating400.0 HERTZ NOMINAL SINGLE COMPONENT
Body Width0.820 INCHES NOMINAL IN
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Body Height0.750 INCHES NOMINAL IN
Body Length0.820 INCHES NOMINAL IN
Winding Function and Quantity1 PRIMARY AND 2 SECONDARY SINGLE COMPONENT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
4730-00-793-2810120-01833-005 INTERCHANGEABLE
Elbow,pipe to Tube
Aqua-Chem, Inc. Dba Aqua-Chem Inc
5980-01-181-6735 INTERCHANGEABLE
Coupler,optoelectronic
5980-01-181-908381028 INTERCHANGEABLE
Coupler,optoelectronic
Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings)
5365-01-196-2864 INTERCHANGEABLE
Retainer
5340-01-312-3844532P3 INTERCHANGEABLE
Latch,mortise
Alliance Laundry Systems Llc
3110-01-407-237889010 FIND NO. 8 INTERCHANGEABLE
Plate,retaining,bearing
Tri-Tec Manufacturing Llc
5980-01-430-2042 INTERCHANGEABLE
Coupler,optoelectronic
5999-01-479-566509929-00-001 INTERCHANGEABLE
Shielding Gasket,electronic
Telos Corporation
5980-01-483-9400 INTERCHANGEABLE
Coupler,optoelectronic
5980-01-585-9041 INTERCHANGEABLE
Coupler,optoelectronic
Cross-Reference Index
Part NumberManufacturer
81028 PRIMARY Hammond Mfg Co Ltd (CAN)
629779-1 Honeywell Limited Dba Honeywell Aerospace Toronto Div Aerospace-Toronto (CAN)
Related Parts
4730-00-793-2810INTERCHANGEABLE
ELBOW,PIPE TO TUBE
120-01833-005
5980-01-181-6735INTERCHANGEABLE
COUPLER,OPTOELECTRONIC
5980-01-181-9083INTERCHANGEABLE
COUPLER,OPTOELECTRONIC
81028
5365-01-196-2864INTERCHANGEABLE
RETAINER
5340-01-312-3844INTERCHANGEABLE
LATCH,MORTISE
532P3
3110-01-407-2378INTERCHANGEABLE
PLATE,RETAINING,BEARING
89010 FIND NO. 8
5980-01-430-2042INTERCHANGEABLE
COUPLER,OPTOELECTRONIC
5999-01-479-5665INTERCHANGEABLE
SHIELDING GASKET,ELECTRONIC
09929-00-001
5980-01-483-9400INTERCHANGEABLE
COUPLER,OPTOELECTRONIC
5980-01-585-9041INTERCHANGEABLE
COUPLER,OPTOELECTRONIC
6515-01-714-1396INTERCHANGEABLE
IMPLANT,MESH,SURGICAL
81028

Frequently Asked Questions

What is NSN 5950-00-229-1498?

NSN 5950-00-229-1498 is a Transformer,power, manufactured by Hammond Mfg Co Ltd, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-229-1498?

NSN 5950-00-229-1498 has 2 cross-referenced part numbers: 81028 (Hammond Mfg Co Ltd), 629779-1 (Honeywell Limited Dba Honeywell Aerospace Toronto Div Aerospace-Toronto).

What NSN replaces 5950-00-229-1498?

There are 11 known substitutes for 5950-00-229-1498: 4730-00-793-2810, 5980-01-181-6735, 5980-01-181-9083 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 81028?

Key specifications for 81028: Inclosure Type: FULLY INCLOSED; Mounting Method: TERMINAL SINGLE GROUP; Terminal Type and Quantity: 7 PIN; Winding Operating Voltage: 18.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY. 12 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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