The Transformer,power, cataloged under National Stock Number 5950-00-646-1281, 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 26 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. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5950-00-646-1281 |
| Primary Part Number | 675965 |
| Item Name | Transformer,power |
| FSC / FSG | 5950 / 59 — No Item Name Available |
| Manufacturer | Lockheed Martin Corporation Div Rms - Mitchel Field |
| Status | ACTIVE |
| Reliability Indicator | NOT ESTABLISHED |
| Winding Operating Voltage | 115.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY |
| Mounting Facility Quantity | 4 SINGLE GROUP |
| Winding Operating Current | 2.1 AMPERES AC MAXIMUM SINGLE COMPONENT FIRST SECONDARY |
| Winding Function and Quantity | 1 PRIMARY AND 5 SECONDARY SINGLE COMPONENT |
| Winding Operating Current | 1.2 AMPERES AC MAXIMUM SINGLE COMPONENT THIRD SECONDARY |
| Winding Operating Voltage | 2.70 AC VOLTS NOMINAL SINGLE COMPONENT SECOND SECONDARY |
| Frequency Rating | 380.0 HERTZ MINIMUM AND 1.0 KILOHERTZ MAXIMUM SINGLE COMPONENT |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 1.625 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN |
| Body Length | 2.188 INCHES MAXIMUM IN |
| Body Height | 2.000 INCHES MAXIMUM IN |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) SINGLE GROUP |
| Winding Operating Voltage | 26.00 AC VOLTS NOMINAL SINGLE COMPONENT FIRST SECONDARY |
| Winding Operating Voltage | 5.00 AC VOLTS NOMINAL SINGLE COMPONENT FOURTH SECONDARY |
| Center to Center Distance Between Mounting Facilities Parallel to Width | 1.625 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN |
| Winding Operating Voltage | 6.80 AC VOLTS NOMINAL SINGLE COMPONENT THIRD SECONDARY |
| Maximum Operating Temp | 180.0 CELSIUS DEGC |
| Mounting Method | THREADED HOLE(S) SINGLE GROUP |
| Nominal Thread Size | 0.138 INCHES SINGLE GROUP IN |
| Input-Output Phase Relationship | SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT |
| Winding Operating Current | 5.0 AMPERES AC MAXIMUM SINGLE COMPONENT SECOND SECONDARY |
| Winding Shielding Method | INTERNAL SHIELD GROUNDED TO INCLOSURE AND CORE AND BROUGHT OUT TO TERMINAL SINGLE COMPONENT |
| Winding Operating Current | 2.0 AMPERES AC MAXIMUM SINGLE COMPONENT FOURTH SECONDARY |
| Terminal Type and Quantity | 13 TAB, SOLDER LUG |
| Body Width | 2.156 INCHES MAXIMUM IN |
| Inclosure Type | OPEN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 5950-00-646-1281 is a Transformer,power, manufactured by Lockheed Martin Corporation Div Rms - Mitchel Field, classified under FSC 5950 (No Item Name Available). Status: active.
NSN 5950-00-646-1281 has 3 cross-referenced part numbers: 5444 (Precision Electronics, Inc), W7412 (Unisys Corp Systems Development), 675965 (Lockheed Martin Corporation Div Rms - Mitchel Field).
There are 10 known substitutes for 5950-00-646-1281: 4510-00-188-8509, 5360-00-343-5007, 2520-00-461-8861 and 7 more. Verify interchangeability with system specifications before substitution.
Key specifications for 675965: Reliability Indicator: NOT ESTABLISHED; Winding Operating Voltage: 115.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY; Mounting Facility Quantity: 4 SINGLE GROUP; Winding Operating Current: 2.1 AMPERES AC MAXIMUM SINGLE COMPONENT FIRST SECONDARY. 27 total characteristics are documented in the Federal Logistics Information System.