The Transformer,power, cataloged under National Stock Number 5950-01-381-9491, 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 Robert M. Hadley Company, Inc.. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5950-01-381-9491 |
| Primary Part Number | 21421 |
| Item Name | Transformer,power |
| FSC / FSG | 5950 / 59 — No Item Name Available |
| Manufacturer | Robert M. Hadley Company, Inc. |
| Status | ACTIVE |
| Mounting Slot Width | 0.203 INCHES NOMINAL SINGLE GROUP IN |
| Winding Operating Current | 4.167 AMPERES AC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY |
| Maximum Operating Temp | 102.0 CELSIUS DEGC |
| Mounting Method | SLOT SINGLE GROUP |
| Frequency Rating | 50.0 HERTZ NOMINAL OR 60.0 HERTZ NOMINAL SINGLE COMPONENT |
| Input-Output Phase Relationship | SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT |
| Winding Operating Voltage | 208.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY |
| Terminal Type and Quantity | 5 SCREW |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 2.810 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN |
| Inclosure Type | OPEN |
| Winding Power Rating | 100.0 VOLTS-AMPERES SINGLE COMPONENT SINGLE SECONDARY |
| Reliability Indicator | NOT ESTABLISHED |
| Winding Function and Quantity | 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT |
| Winding Operating Voltage | 18.00 AC VOLTS NOMINAL AND 24.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY |
| Center to Center Distance Between Mounting Facilities Parallel to Width | 2.370 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN |
| Mounting Facility Quantity | 4 SINGLE GROUP |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 882T3781027-001 | Lockheed Martin Corp (USA) |
| 21421 PRIMARY | Robert M. Hadley Company, Inc. (USA) |
NSN 5950-01-381-9491 is a Transformer,power, manufactured by Robert M. Hadley Company, Inc., classified under FSC 5950 (No Item Name Available). Status: active.
NSN 5950-01-381-9491 has 2 cross-referenced part numbers: 882T3781027-001 (Lockheed Martin Corp), 21421 (Robert M. Hadley Company, Inc.).
There are 8 known substitutes for 5950-01-381-9491: 5310-00-033-3101, 3110-00-100-4221, 5935-00-118-7863 and 5 more. Verify interchangeability with system specifications before substitution.
Key specifications for 21421: Mounting Slot Width: 0.203 INCHES NOMINAL SINGLE GROUP IN; Winding Operating Current: 4.167 AMPERES AC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY; Maximum Operating Temp: 102.0 CELSIUS DEGC; Mounting Method: SLOT SINGLE GROUP. 18 total characteristics are documented in the Federal Logistics Information System.