PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

64111Transformer,power

Hammond Mfg Co Ltd · NSN 5950-00-903-2774 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-903-2774 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-903-2774. Primary manufacturer part number: 64111.
Features
  • Transformer,power — FSC 5950
  • Body Length: 1.630 INCHES NOMINAL IN
  • Body Width: 1.500 INCHES NOMINAL IN
  • Frequency Rating: 400.0 HERTZ NOMINAL SINGLE COMPONENT
  • Mounting Hole Diameter: 0.159 INCHES MAXIMUM SINGLE GROUP IN
  • Body Height: 2.190 INCHES NOMINAL IN
  • Mounting Method: FLANGE AND UNTHREADED HOLE(S) SINGLE GROUP
  • Winding Operating Voltage: 30.00 AC VOLTS NOMINAL SINGLE COMPONENT THIRD SECONDARY
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,power, cataloged under National Stock Number 5950-00-903-2774, 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 20 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. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-903-2774
Primary Part Number64111
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerHammond Mfg Co Ltd
StatusACTIVE
Body Length1.630 INCHES NOMINAL IN
Body Width1.500 INCHES NOMINAL IN
Frequency Rating400.0 HERTZ NOMINAL SINGLE COMPONENT
Mounting Hole Diameter0.159 INCHES MAXIMUM SINGLE GROUP IN
Body Height2.190 INCHES NOMINAL IN
Mounting MethodFLANGE AND UNTHREADED HOLE(S) SINGLE GROUP
Winding Operating Voltage30.00 AC VOLTS NOMINAL SINGLE COMPONENT THIRD SECONDARY
Winding Operating Current40.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT SECOND SECONDARY
Inclosure TypeOPEN
Center to Center Distance Between Mounting Facilities Parallel to Width1.125 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Winding Operating Current300.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT THIRD SECONDARY
Center to Center Distance Between Mounting Facilities Parallel to Length1.125 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Winding Operating Voltage115.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Terminal Type and Quantity10 TAB, SOLDER LUG
Winding Operating Current3.0 AMPERES AC MAXIMUM SINGLE COMPONENT FIRST SECONDARY
Winding Function and Quantity1 PRIMARY AND 3 SECONDARY SINGLE COMPONENT
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Mounting Facility Quantity4 SINGLE GROUP
Winding Operating Voltage70.00 AC VOLTS NOMINAL SINGLE COMPONENT FIRST SECONDARY
Winding Operating Voltage30.00 AC VOLTS NOMINAL SINGLE COMPONENT SECOND SECONDARY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5815-00-077-2385SM-B-342585 INTERCHANGEABLE
Teletypewriter Subassembly
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5910-00-085-2794601PE2245R50W INTERCHANGEABLE
Capacitor,fixed,plastic Dielectr
American Shizuki Corp
5915-00-513-10312921066-11 INTERCHANGEABLE
Filter,band Pass
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5935-00-989-95696411-1 INTERCHANGEABLE
Connector,receptacle,electrical
Microwave Devices Inc
6240-01-314-824464111 INTERCHANGEABLE
Lamp,incandescent
Southern Vehicle Products Inc Dba S V P
5935-01-532-3675ZSS-130-08-G-D-850 INTERCHANGEABLE
Connector,plug,electrical
Samtec Inc Dba Samtec Inc
Cross-Reference Index
Part NumberManufacturer
629528-1 Honeywell Limited Dba Honeywell Aerospace Toronto Div Aerospace-Toronto (CAN)
64111 PRIMARY Hammond Mfg Co Ltd (CAN)
Related Parts
5815-00-077-2385INTERCHANGEABLE
TELETYPEWRITER SUBASSEMBLY
SM-B-342585
5910-00-085-2794INTERCHANGEABLE
CAPACITOR,FIXED,PLASTIC DIELECTR
601PE2245R50W
5915-00-513-1031INTERCHANGEABLE
FILTER,BAND PASS
2921066-11
5935-00-989-9569INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
6411-1
6240-01-314-8244INTERCHANGEABLE
LAMP,INCANDESCENT
64111
5935-01-532-3675INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
ZSS-130-08-G-D-850

Frequently Asked Questions

What is NSN 5950-00-903-2774?

NSN 5950-00-903-2774 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 5950-00-903-2774?

NSN 5950-00-903-2774 has 2 cross-referenced part numbers: 629528-1 (Honeywell Limited Dba Honeywell Aerospace Toronto Div Aerospace-Toronto), 64111 (Hammond Mfg Co Ltd).

What NSN replaces 5950-00-903-2774?

There are 6 known substitutes for 5950-00-903-2774: 5815-00-077-2385, 5910-00-085-2794, 5915-00-513-1031 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 64111?

Key specifications for 64111: Body Length: 1.630 INCHES NOMINAL IN; Body Width: 1.500 INCHES NOMINAL IN; Frequency Rating: 400.0 HERTZ NOMINAL SINGLE COMPONENT; Mounting Hole Diameter: 0.159 INCHES MAXIMUM SINGLE GROUP IN. 20 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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