PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1681Transformer,power

Comspace Corp Munston Electronics Div · NSN 5950-00-681-7270 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-681-7270 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-681-7270. Primary manufacturer part number: 1681.
Features
  • Transformer,power — FSC 5950
  • Center to Center Distance Between Mounting Facilities Parallel to Length: 3.000 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
  • Thread Series Designator: UNF SINGLE GROUP
  • Frequency Rating: 60.0 HERTZ NOMINAL SINGLE COMPONENT
  • Winding Operating Current: 1.25 AMPERES AC MAXIMUM SINGLE COMPONENT SECOND SECONDARY
  • Winding Operating Current: 10.0 AMPERES AC MAXIMUM SINGLE COMPONENT FIRST SECONDARY
  • Reliability Indicator: NOT ESTABLISHED
  • Mounting Method: THREADED STUD(S) SINGLE GROUP
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,power, cataloged under National Stock Number 5950-00-681-7270, 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 Comspace Corp Munston Electronics Div. Government technical data includes 21 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-681-7270
Primary Part Number1681
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerComspace Corp Munston Electronics Div
StatusACTIVE
Center to Center Distance Between Mounting Facilities Parallel to Length3.000 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Thread Series DesignatorUNF SINGLE GROUP
Frequency Rating60.0 HERTZ NOMINAL SINGLE COMPONENT
Winding Operating Current1.25 AMPERES AC MAXIMUM SINGLE COMPONENT SECOND SECONDARY
Winding Operating Current10.0 AMPERES AC MAXIMUM SINGLE COMPONENT FIRST SECONDARY
Reliability IndicatorNOT ESTABLISHED
Mounting MethodTHREADED STUD(S) SINGLE GROUP
Center to Center Distance Between Mounting Facilities Parallel to Width2.500 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Winding Operating Voltage115.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Mounting Facility Quantity4 SINGLE GROUP
Winding Function and Quantity1 PRIMARY AND 2 SECONDARY SINGLE COMPONENT
Winding Operating Voltage50.00 AC VOLTS NOMINAL SINGLE COMPONENT SECOND SECONDARY
Body Length3.875 INCHES NOMINAL IN
Body Height4.250 INCHES NOMINAL IN
Body Width3.250 INCHES NOMINAL IN
Winding Operating Voltage2.50 AC VOLTS NOMINAL SINGLE COMPONENT FIRST SECONDARY
Inclosure TypeHERMETICALLY SEALED
Nominal Thread Size0.190 INCHES SINGLE GROUP IN
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Thread Quantity Per Inch32 SINGLE GROUP
Terminal Type and Quantity7 WIRE LEAD
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
6610-00-128-77621681 INTERCHANGEABLE
Plate Assy,roll,ind
Mission Systems Davenport Inc.
5905-00-192-3497 INTERCHANGEABLE
Resistor,fixed,film
6240-00-255-01633024A8737 INTERCHANGEABLE
Lamp,incandescent
Middleby Marshall Inc Toastmaster Cooking and Warming Equipment Div
6210-00-299-6386168-1 INTERCHANGEABLE
Light,panel
Chicago Miniature Lighting Llc Dba Chicago Miniature Optoelectron
2920-00-401-428216-81 INTERCHANGEABLE
Cable
Motorola Automotive Electronics
3020-00-541-68331681 INTERCHANGEABLE
Gear,spur
L3harris Technologies, Inc. Div Space and Airborne Systems
5910-00-891-23900170-0002 INTERCHANGEABLE
Capacitor,fixed,plastic Dielectr
Keysight Technologies Inc
5815-00-976-1239 INTERCHANGEABLE
Arm
5310-01-117-50631681 INTERCHANGEABLE
Washer,flat
Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic
4820-01-154-1195 INTERCHANGEABLE
Control Valve,gear
Cross-Reference Index
Part NumberManufacturer
1681 PRIMARY Comspace Corp Munston Electronics Div (USA)
Related Parts
6610-00-128-7762INTERCHANGEABLE
PLATE ASSY,ROLL,IND
1681
5905-00-192-3497INTERCHANGEABLE
RESISTOR,FIXED,FILM
6240-00-255-0163INTERCHANGEABLE
LAMP,INCANDESCENT
3024A8737
6210-00-299-6386INTERCHANGEABLE
LIGHT,PANEL
168-1
2920-00-401-4282INTERCHANGEABLE
CABLE
16-81
3020-00-541-6833INTERCHANGEABLE
GEAR,SPUR
1681
5910-00-891-2390INTERCHANGEABLE
CAPACITOR,FIXED,PLASTIC DIELECTR
0170-0002
5815-00-976-1239INTERCHANGEABLE
ARM
5310-01-117-5063INTERCHANGEABLE
WASHER,FLAT
1681
4820-01-154-1195INTERCHANGEABLE
CONTROL VALVE,GEAR
5305-01-174-8935INTERCHANGEABLE
SCREW,MACHINE
930810
5315-01-205-4186INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
1681

Frequently Asked Questions

What is NSN 5950-00-681-7270?

NSN 5950-00-681-7270 is a Transformer,power, manufactured by Comspace Corp Munston Electronics Div, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-681-7270?

NSN 5950-00-681-7270 has 1 cross-referenced part number: 1681 (Comspace Corp Munston Electronics Div).

What NSN replaces 5950-00-681-7270?

There are 12 known substitutes for 5950-00-681-7270: 6610-00-128-7762, 5905-00-192-3497, 6240-00-255-0163 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1681?

Key specifications for 1681: Center to Center Distance Between Mounting Facilities Parallel to Length: 3.000 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN; Thread Series Designator: UNF SINGLE GROUP; Frequency Rating: 60.0 HERTZ NOMINAL SINGLE COMPONENT; Winding Operating Current: 1.25 AMPERES AC MAXIMUM SINGLE COMPONENT SECOND SECONDARY. 21 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