The Transformer,power, cataloged under National Stock Number 5950-01-330-8783, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Northrop Grumman Systems Corporation. Government technical data includes 21 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5950-01-330-8783 |
| Primary Part Number | 121710H01 |
| Item Name | Transformer,power |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Transformer Winding Connection Type | WYE-DELTA AND WYE-WYE |
| Mounting Facility Quantity | 6 FIRST GROUP |
| Mounting Facility Quantity | 4 SECOND GROUP |
| Inclosure Type | HERMETICALLY SEALED |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 4.105 INCHES MINIMUM AND 4.145 INCHES MAXIMUM SINGLE MOUNTING FACILITY ALL CENTER GROUPINGS IN |
| Input-Output Phase Relationship | THREE PHASE TO THREE PHASE SINGLE COMPONENT |
| Mounting Method | THREADED HOLE(S) ALL GROUPINGS |
| Maximum Transformer Power Rating | 550.0 VOLT-AMPERE SINGLE COMPONENT |
| Winding Function and Quantity | 1 PRIMARY AND 2 SECONDARY SINGLE COMPONENT |
| Winding Shielding Method | INCLOSURE GROUNDED SINGLE COMPONENT |
| Nominal Thread Size | 0.190 INCHES ALL GROUPINGS IN |
| Maximum Operating Temp | 170.0 CELSIUS DEGC |
| Winding Operating Current | 22.7 AMPERES AC NOMINAL SINGLE COMPONENT ALL SECONDARY |
| Reliability Indicator | NOT ESTABLISHED |
| Frequency Rating | 60.0 HERTZ NOMINAL SINGLE COMPONENT |
| Center to Center Distance Between Mounting Facilities Parallel to Width | 2.480 INCHES MINIMUM AND 2.520 INCHES MAXIMUM SINGLE MOUNTING FACILITY ALL CENTER GROUPINGS IN |
| Winding Operating Voltage | 104.00 AC VOLTS MINIMUM AND 135.00 AC VOLTS MAXIMUM SINGLE COMPONENT SINGLE PRIMARY |
| Winding Operating Voltage | 24.20 AC VOLTS NOMINAL SINGLE COMPONENT ALL SECONDARY |
| Terminal Type and Quantity | 11 THREADED STUD |
| Thread Series Designator | UNF ALL GROUPINGS |
| Hazardous Locations/environmental Protection | FUNGUS PROOF |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 121710H01 PRIMARY | Northrop Grumman Systems Corporation (USA) |
NSN 5950-01-330-8783 is a Transformer,power, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-01-330-8783 has 1 manufacturer part number on file: 121710H01 (Northrop Grumman Systems Corporation).
Key specifications for 121710H01: Overall Height: 6.800 INCHES MAXIMUM IN; Transformer Winding Connection Type: WYE-DELTA AND WYE-WYE; Mounting Facility Quantity: 6 FIRST GROUP; Mounting Facility Quantity: 4 SECOND GROUP. 21 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.