The Transformer,power, cataloged under National Stock Number 5950-01-056-2221, 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 Standex Electronics, 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. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5950-01-056-2221 |
| Primary Part Number | 12721 |
| Item Name | Transformer,power |
| FSC / FSG | 5950 / 59 — No Item Name Available |
| Manufacturer | Standex Electronics, Inc. |
| Status | ACTIVE |
| Body Height | 3.000 INCHES NOMINAL IN |
| Mounting Facility Quantity | 6 SINGLE GROUP |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) SINGLE GROUP |
| Winding Function and Quantity | 1 PRIMARY AND 4 SECONDARY SINGLE COMPONENT |
| Nominal Thread Size | 0.138 INCHES SINGLE GROUP IN |
| Mounting Method | THREADED STUD(S) SINGLE GROUP |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 3.500 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN |
| Input-Output Phase Relationship | THREE PHASE TO THREE PHASE SINGLE COMPONENT |
| Thread Quantity Per Inch | 32 SINGLE GROUP |
| Body Length | 4.750 INCHES NOMINAL IN |
| Terminal Type and Quantity | 32 TURRET |
| Frequency Rating | 400.0 HERTZ NOMINAL SINGLE COMPONENT |
| Winding Operating Voltage | 115.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY |
| Body Width | 4.000 INCHES NOMINAL IN |
| Inclosure Type | HERMETICALLY SEALED |
| Center to Center Distance Between Mounting Facilities Parallel to Width | 3.500 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 5950-01-056-2221 is a Transformer,power, manufactured by Standex Electronics, Inc., classified under FSC 5950 (No Item Name Available). Status: active.
NSN 5950-01-056-2221 has 2 cross-referenced part numbers: 1888936 (Northrop Grumman Systems Corporation), 12721 (Standex Electronics, Inc.).
There are 7 known substitutes for 5950-01-056-2221: 5821-00-030-9749, 5360-00-917-2748, 4130-01-073-0998 and 4 more. Verify interchangeability with system specifications before substitution.
Key specifications for 12721: Body Height: 3.000 INCHES NOMINAL IN; Mounting Facility Quantity: 6 SINGLE GROUP; Thread Series Designator: UNIFIED NATIONAL COARSE (UNC) SINGLE GROUP; Winding Function and Quantity: 1 PRIMARY AND 4 SECONDARY SINGLE COMPONENT. 16 total characteristics are documented in the Federal Logistics Information System.