The Transformer,power, cataloged under National Stock Number 5950-00-993-6870, 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 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5950-00-993-6870 |
| Primary Part Number | 1801359 |
| Item Name | Transformer,power |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Mounting Facility Quantity | 4 SINGLE GROUP |
| Inclosure Type | FULLY INCLOSED |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 3.000 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN |
| Input-Output Phase Relationship | SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT |
| Mounting Method | THREADED STUD(S) SINGLE GROUP |
| Body Width | 3.250 INCHES MINIMUM AND 3.375 INCHES MAXIMUM IN |
| Body Height | 4.124 INCHES MINIMUM AND 4.312 INCHES MAXIMUM IN |
| Winding Function and Quantity | 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT |
| Winding Shielding Method | INTERNALLY SHIELDED GROUNDED TO CORE AND MOUNTING SINGLE COMPONENT |
| Nominal Thread Size | 0.190 INCHES SINGLE GROUP IN |
| Specification/standard Data | 21877-1801359 MANUFACTURERS SPECIFICATION CONTROL |
| Maximum Operating Temp | 65.0 CELSIUS DEGC |
| Body Length | 3.803 INCHES MINIMUM AND 3.938 INCHES MAXIMUM IN |
| Winding Operating Current | 19.1 AMPERES AC NOMINAL SINGLE COMPONENT SINGLE SECONDARY |
| Reliability Indicator | NOT ESTABLISHED |
| Frequency Rating | 60.0 HERTZ NOMINAL SINGLE COMPONENT |
| Center to Center Distance Between Mounting Facilities Parallel to Width | 2.438 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN |
| Winding Operating Voltage | 115.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY |
| Winding Operating Voltage | 115.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY |
| Terminal Type and Quantity | 6 TURRET |
| Thread Series Designator | UNF SINGLE GROUP |
| 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 |
|---|---|
| 1801359 PRIMARY | Northrop Grumman Systems Corporation (USA) |
| 1801359 | Magnespec Inc (USA) |
| Reference | Meaning |
|---|---|
| 1801359 | 7/2 Vendor item drawing reference Northrop Grumman Systems Corporation |
| F1-23554 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| 1801359DTD6APR1966 | C/1 Advisory reference — outside the item-of-supply concept Northrop Grumman Systems Corporation |
| 650-1027-000 | 5/9 Secondary reference Ncr Corp Power Systems Div |
| 1801359 | 5/9 Secondary reference U.S. Government activity |
NSN 5950-00-993-6870 is a Transformer,power, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-00-993-6870 has 2 manufacturer part numbers on file: 1801359 (Northrop Grumman Systems Corporation), 1801359 (Magnespec Inc).
Key specifications for 1801359: Mounting Facility Quantity: 4 SINGLE GROUP; Inclosure Type: FULLY INCLOSED; Center to Center Distance Between Mounting Facilities Parallel to Length: 3.000 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN; Input-Output Phase Relationship: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT. 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.