The Transformer,power, cataloged under National Stock Number 5950-00-660-4951, 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 Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple. Government technical data includes 23 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5950-00-660-4951 |
| Primary Part Number | 2945-21 |
| Item Name | Transformer,power |
| FSC / FSG | 5950 / 59 — No Item Name Available |
| Manufacturer | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple |
| Status | ACTIVE |
| Reliability Indicator | NOT ESTABLISHED |
| Winding Operating Voltage | 500.00 AC VOLTS NOMINAL SINGLE COMPONENT THIRD SECONDARY |
| Terminal Type and Quantity | 11 STANDOFF, SOLDER LUG |
| Winding Operating Voltage | 2.50 AC VOLTS NOMINAL SINGLE COMPONENT FIRST SECONDARY |
| Winding Operating Voltage | 6.30 AC VOLTS NOMINAL SINGLE COMPONENT SECOND SECONDARY |
| Mounting Method | THREADED STUD(S) SINGLE GROUP |
| Nominal Thread Size | 0.164 INCHES SINGLE GROUP IN |
| Winding Operating Current | 1.8 AMPERES AC MAXIMUM SINGLE COMPONENT FIRST SECONDARY |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) SINGLE GROUP |
| Winding Operating Voltage | 115.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY |
| Winding Operating Current | 0.6 AMPERES AC MAXIMUM SINGLE COMPONENT SECOND SECONDARY |
| Winding Function and Quantity | 1 PRIMARY AND 4 SECONDARY SINGLE COMPONENT |
| Input-Output Phase Relationship | SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT |
| Center to Center Distance Between Mounting Facilities Parallel to Width | 2.125 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN |
| Inclosure Type | HERMETICALLY SEALED |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 2.625 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN |
| Winding Operating Current | 20.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT THIRD SECONDARY |
| Winding Operating Voltage | 3.45 AC KILOVOLTS NOMINAL SINGLE COMPONENT FOURTH SECONDARY |
| Mounting Facility Quantity | 4 SINGLE GROUP |
| Body Length | 3.562 INCHES NOMINAL IN |
| Frequency Rating | 47.0 HERTZ MINIMUM AND 63.0 HERTZ MAXIMUM SINGLE COMPONENT |
| Body Width | 3.062 INCHES NOMINAL IN |
| Body Height | 4.875 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 2945-21 | Northrop Grumman Systems Corporation Div Es Defensive Systems Division (USA) |
| 37038 | Freed Transformer Co (USA) |
| 2945-21 PRIMARY | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple (USA) |
| 288101 | Electronic Transformer Corp Div Electronic Transformer Corporation (USA) |
| A2945-21 | General Instrument Corp Corporate Headquarters (USA) |
NSN 5950-00-660-4951 is a Transformer,power, manufactured by Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple, classified under FSC 5950 (No Item Name Available). Status: active.
NSN 5950-00-660-4951 has 5 cross-referenced part numbers: 2945-21 (Northrop Grumman Systems Corporation Div Es Defensive Systems Division), 37038 (Freed Transformer Co), 2945-21 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple), 288101 (Electronic Transformer Corp Div Electronic Transformer Corporation), A2945-21 (General Instrument Corp Corporate Headquarters).
There are 7 known substitutes for 5950-00-660-4951: 3040-00-109-6507, 5310-00-227-4883, 3455-00-232-4106 and 4 more. Verify interchangeability with system specifications before substitution.
Key specifications for 2945-21: Reliability Indicator: NOT ESTABLISHED; Winding Operating Voltage: 500.00 AC VOLTS NOMINAL SINGLE COMPONENT THIRD SECONDARY; Terminal Type and Quantity: 11 STANDOFF, SOLDER LUG; Winding Operating Voltage: 2.50 AC VOLTS NOMINAL SINGLE COMPONENT FIRST SECONDARY. 23 total characteristics are documented in the Federal Logistics Information System.