The Transformer,power, cataloged under National Stock Number 5950-00-553-5395, 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 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5950-00-553-5395 |
| Primary Part Number | SBR644DPT613425 |
| Item Name | Transformer,power |
| FSC / FSG | 5950 / 59 — No Item Name Available |
| Manufacturer | Lockheed Martin Corporation Div Rms - Mitchel Field |
| Status | CANCELLED |
| Body Height | 2.750 INCHES NOMINAL IN |
| Winding Operating Voltage | 930.00 AC VOLTS NOMINAL SINGLE COMPONENT FOURTH SECONDARY |
| Reliability Indicator | NOT ESTABLISHED |
| Inclosure Type | OPEN |
| Winding Operating Current | 91.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT FOURTH SECONDARY |
| Winding Operating Current | 121.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT FIRST SECONDARY |
| Winding Shielding Method | INTERNAL SHIELD BROUGHT OUT TO TERMINAL SINGLE COMPONENT |
| Winding Operating Voltage | 115.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY |
| Frequency Rating | 380.0 HERTZ MINIMUM AND 1.0 KILOHERTZ MAXIMUM SINGLE COMPONENT |
| Winding Operating Current | 23.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT SECOND SECONDARY |
| Input-Output Phase Relationship | SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT |
| Winding Function and Quantity | 1 PRIMARY AND 4 SECONDARY SINGLE COMPONENT |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 1.688 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN |
| Center to Center Distance Between Mounting Facilities Parallel to Width | 1.312 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN |
| Winding Operating Voltage | 830.00 AC VOLTS NOMINAL SINGLE COMPONENT THIRD SECONDARY |
| Winding Operating Current | 59.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT THIRD SECONDARY |
| Body Width | 2.344 INCHES NOMINAL IN |
| Winding Operating Voltage | 750.00 AC VOLTS NOMINAL SINGLE COMPONENT SECOND SECONDARY |
| Terminal Type and Quantity | 15 TAB, SOLDER LUG |
| Mounting Method | FLANGE AND UNTHREADED HOLE(S) SINGLE GROUP |
| Mounting Facility Quantity | 4 SINGLE GROUP |
| Winding Operating Voltage | 382.00 AC VOLTS NOMINAL SINGLE COMPONENT FIRST SECONDARY |
| Body Length | 2.688 INCHES NOMINAL IN |
| Mounting Hole Diameter | 0.218 INCHES MINIMUM SINGLE GROUP IN |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 613425 | Lockheed Martin Corporation Div Rms - Mitchel Field (USA) |
| 5946 | Precision Electronics, Inc (USA) |
| 33903 | Freed Transformer Co (USA) |
| SBR644DPT613425 PRIMARY | Lockheed Martin Corporation Div Rms - Mitchel Field (USA) |
| SBR6440PT613425 | Lockheed Martin Corporation Div Rms - Mitchel Field (USA) |
NSN 5950-00-553-5395 is a Transformer,power, manufactured by Lockheed Martin Corporation Div Rms - Mitchel Field, classified under FSC 5950 (No Item Name Available). Status: cancelled.
NSN 5950-00-553-5395 has 5 cross-referenced part numbers: 613425 (Lockheed Martin Corporation Div Rms - Mitchel Field), 5946 (Precision Electronics, Inc), 33903 (Freed Transformer Co), SBR644DPT613425 (Lockheed Martin Corporation Div Rms - Mitchel Field), SBR6440PT613425 (Lockheed Martin Corporation Div Rms - Mitchel Field).
There are 9 known substitutes for 5950-00-553-5395: 6210-00-117-4268, 5960-00-165-2900, 5330-00-292-1588 and 6 more. Verify interchangeability with system specifications before substitution.
Key specifications for SBR644DPT613425: Body Height: 2.750 INCHES NOMINAL IN; Winding Operating Voltage: 930.00 AC VOLTS NOMINAL SINGLE COMPONENT FOURTH SECONDARY; Reliability Indicator: NOT ESTABLISHED; Inclosure Type: OPEN. 24 total characteristics are documented in the Federal Logistics Information System.
NSN 5950-00-553-5395 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.