PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

10688657Transformer,power

Us Army Aviation and Missile Command · NSN 5950-00-156-0749 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-156-0749 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-156-0749. Primary manufacturer part number: 10688657.
Features
  • Transformer,power — FSC 5950
  • Winding Operating Voltage: 265.00 AC VOLTS NOMINAL SINGLE COMPONENT SECOND SECONDARY
  • Inclosure Type: FULLY INCLOSED
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
  • Body Width: 2.620 INCHES NOMINAL IN
  • Winding Operating Current: 3.0 AMPERES DC MAXIMUM SINGLE COMPONENT FIRST SECONDARY
  • Reliability Indicator: NOT ESTABLISHED
  • Frequency Rating: 5.0 KILOHERTZ MINIMUM AND 6.0 KILOHERTZ MAXIMUM 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 5950-00-156-0749, 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 Us Army Aviation and Missile Command. Government technical data includes 22 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-156-0749
Primary Part Number10688657
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerUs Army Aviation and Missile Command
StatusACTIVE
Winding Operating Voltage265.00 AC VOLTS NOMINAL SINGLE COMPONENT SECOND SECONDARY
Inclosure TypeFULLY INCLOSED
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Body Width2.620 INCHES NOMINAL IN
Winding Operating Current3.0 AMPERES DC MAXIMUM SINGLE COMPONENT FIRST SECONDARY
Reliability IndicatorNOT ESTABLISHED
Frequency Rating5.0 KILOHERTZ MINIMUM AND 6.0 KILOHERTZ MAXIMUM SINGLE COMPONENT
Winding Function and Quantity1 PRIMARY AND 2 SECONDARY SINGLE COMPONENT
Winding Operating Voltage109.00 AC VOLTS NOMINAL AND 115.00 AC VOLTS NOMINAL AND 121.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Mounting MethodTHREADED HOLE(S) SINGLE GROUP
Nominal Thread Size0.164 INCHES SINGLE GROUP IN
Body Length2.690 INCHES MINIMUM AND 2.780 INCHES MAXIMUM IN
Winding Operating Voltage21.58 AC VOLTS NOMINAL AND 22.08 AC VOLTS NOMINAL AND 22.58 AC VOLTS NOMINAL SINGLE COMPONENT FIRST SECONDARY
Center to Center Distance Between Mounting Facilities Parallel to Width1.490 INCHES MINIMUM AND 1.510 INCHES MAXIMUM SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Mounting Facility Quantity4 SINGLE GROUP
Winding Operating Current20.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SECOND SECONDARY
Thread Quantity Per Inch32 SINGLE GROUP
Center to Center Distance Between Mounting Facilities Parallel to Length1.667 INCHES MINIMUM AND 1.697 INCHES MAXIMUM SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Body Height3.400 INCHES NOMINAL IN
Terminal Type and Quantity10 TURRET
Winding Shielding MethodINTERNAL SHIELD GROUNDED TO INCLOSURE SINGLE COMPONENT
Input-Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5930-00-071-148412223 INTERCHANGEABLE
Switch,pressure
Hydra-Electric Company Dba Hydra-Electric Co
5120-00-223-9116 INTERCHANGEABLE
Burnisher,jeweler's
5945-00-236-9809 INTERCHANGEABLE
Relay,electromagnetic
6660-00-285-3506 INTERCHANGEABLE
Table,observer,meteorological Da
5330-00-663-435638083 INTERCHANGEABLE
Gasket
Dana Automotive Systems Group, Llc Dba Dana Sealing Products
4820-00-892-5904FIGURE 89 INTERCHANGEABLE
Valve,angle
Crane Co Div Valve Div
4820-00-904-842258-14 INTERCHANGEABLE
Valve,safety Relief
Arkwin Industries, Inc. Dba Arkwin Industries Inc
6130-01-390-54651211498-204 INTERCHANGEABLE
Power Supply
Lockheed Martin Corporation Div Rms
Cross-Reference Index
Part NumberManufacturer
5903824 Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems (USA)
5814 Precision Electronics, Inc (USA)
10688657 PRIMARY Us Army Aviation and Missile Command (USA)
Related Parts
5930-00-071-1484INTERCHANGEABLE
SWITCH,PRESSURE
12223
5120-00-223-9116INTERCHANGEABLE
BURNISHER,JEWELER'S
5945-00-236-9809INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
6660-00-285-3506INTERCHANGEABLE
TABLE,OBSERVER,METEOROLOGICAL DA
5330-00-663-4356INTERCHANGEABLE
GASKET
38083
4820-00-892-5904INTERCHANGEABLE
VALVE,ANGLE
FIGURE 89
4820-00-904-8422INTERCHANGEABLE
VALVE,SAFETY RELIEF
58-14
6130-01-390-5465INTERCHANGEABLE
POWER SUPPLY
1211498-204

Frequently Asked Questions

What is NSN 5950-00-156-0749?

NSN 5950-00-156-0749 is a Transformer,power, manufactured by Us Army Aviation and Missile Command, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-156-0749?

NSN 5950-00-156-0749 has 3 cross-referenced part numbers: 5903824 (Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems), 5814 (Precision Electronics, Inc), 10688657 (Us Army Aviation and Missile Command).

What NSN replaces 5950-00-156-0749?

There are 8 known substitutes for 5950-00-156-0749: 5930-00-071-1484, 5120-00-223-9116, 5945-00-236-9809 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 10688657?

Key specifications for 10688657: Winding Operating Voltage: 265.00 AC VOLTS NOMINAL SINGLE COMPONENT SECOND SECONDARY; Inclosure Type: FULLY INCLOSED; Thread Series Designator: UNIFIED NATIONAL COARSE (UNC) SINGLE GROUP; Body Width: 2.620 INCHES NOMINAL IN. 23 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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