The Transformer,power, cataloged under National Stock Number 5950-00-188-7446, 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 Lockheed Martin Corporation Div Rms - Mitchel Field. Government technical data includes 24 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 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: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5950-00-188-7446 |
| Primary Part Number | 660263C |
| Item Name | Transformer,power |
| FSC / FSG | 5950 / 59 — No Item Name Available |
| Manufacturer | Lockheed Martin Corporation Div Rms - Mitchel Field |
| Status | CANCELLED |
| Inclosure Type | PARTIALLY INCLOSED, DOUBLE SHELL |
| Center to Center Distance Between Mounting Facilities Parallel to Width | 2.125 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN |
| Body Height | 3.453 INCHES NOMINAL IN |
| Winding Operating Current | 29.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT FOURTH SECONDARY |
| Frequency Rating | 50.0 HERTZ MINIMUM AND 1.2 KILOHERTZ MAXIMUM SINGLE COMPONENT |
| Winding Operating Current | 2.0 AMPERES AC MAXIMUM SINGLE COMPONENT SECOND SECONDARY |
| Mounting Method | FLANGE AND UNTHREADED HOLE(S) SINGLE GROUP |
| Winding Operating Voltage | 1.70 AC KILOVOLTS NOMINAL SINGLE COMPONENT FOURTH SECONDARY |
| Body Length | 3.703 INCHES NOMINAL IN |
| Winding Function and Quantity | 1 PRIMARY AND 4 SECONDARY SINGLE COMPONENT |
| Winding Shielding Method | INTERNAL SHIELD GROUNDED TO CORE AND BROUGHT OUT TO TERMINAL SINGLE COMPONENT |
| Winding Operating Voltage | 6.30 AC VOLTS NOMINAL SINGLE COMPONENT THIRD SECONDARY |
| Winding Operating Voltage | 6.30 AC VOLTS NOMINAL SINGLE COMPONENT FIRST SECONDARY |
| Mounting Hole Diameter | 0.193 INCHES NOMINAL SINGLE GROUP IN |
| Winding Operating Current | 1.7 AMPERES AC MAXIMUM SINGLE COMPONENT THIRD SECONDARY |
| Winding Operating Voltage | 115.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY |
| Mounting Facility Quantity | 4 SINGLE GROUP |
| Terminal Type and Quantity | 12 TAB, SOLDER LUG |
| Input-Output Phase Relationship | SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT |
| Winding Operating Voltage | 5.00 AC VOLTS NOMINAL SINGLE COMPONENT SECOND SECONDARY |
| Body Width | 3.250 INCHES NOMINAL IN |
| Reliability Indicator | NOT ESTABLISHED |
| Winding Operating Current | 1.25 AMPERES AC MAXIMUM SINGLE COMPONENT FIRST SECONDARY |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 2.562 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 660263C PRIMARY | Lockheed Martin Corporation Div Rms - Mitchel Field (USA) |
| 56602630LD | Lockheed Martin Corporation Div Rms - Mitchel Field (USA) |
| 5434 | Precision Electronics, Inc (USA) |
| 5660263 | Lockheed Martin Corporation Div Rms - Mitchel Field (USA) |
| RB1660 | Lockheed Martin Corporation Div Rms - Mitchel Field (USA) |
NSN 5950-00-188-7446 is a Transformer,power, manufactured by Lockheed Martin Corporation Div Rms - Mitchel Field, classified under FSC 5950 (No Item Name Available). Status: cancelled.
NSN 5950-00-188-7446 has 5 cross-referenced part numbers: 660263C (Lockheed Martin Corporation Div Rms - Mitchel Field), 56602630LD (Lockheed Martin Corporation Div Rms - Mitchel Field), 5434 (Precision Electronics, Inc), 5660263 (Lockheed Martin Corporation Div Rms - Mitchel Field), RB1660 (Lockheed Martin Corporation Div Rms - Mitchel Field).
There are 6 known substitutes for 5950-00-188-7446: 5310-00-264-1260, 5935-00-409-2995, 6625-00-557-5333 and 3 more. Verify interchangeability with system specifications before substitution.
Key specifications for 660263C: Inclosure Type: PARTIALLY INCLOSED, DOUBLE SHELL; Center to Center Distance Between Mounting Facilities Parallel to Width: 2.125 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN; Body Height: 3.453 INCHES NOMINAL IN; Winding Operating Current: 29.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT FOURTH SECONDARY. 24 total characteristics are documented in the Federal Logistics Information System.
NSN 5950-00-188-7446 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.