The Transformer,power, cataloged under National Stock Number 5950-00-736-8835, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Lockheed Martin Corporation Div Rms. Government technical data includes 18 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5950-00-736-8835 |
| Primary Part Number | 573A499EF10REV2 |
| Item Name | Transformer,power |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | Lockheed Martin Corporation Div Rms |
| Status | ACTIVE |
| Mounting Facility Quantity | 3 SINGLE GROUP |
| Inclosure Type | PARTIALLY INCLOSED, DOUBLE SHELL |
| Input-Output Phase Relationship | SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT |
| Mounting Method | SLOT SINGLE GROUP |
| Body Width | 4.875 INCHES NOMINAL IN |
| Body Height | 10.125 INCHES NOMINAL IN |
| Center to Center Distance Between Mounting Facilities Parallel to the Base of an Isosceles Triangle | 4.500 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN |
| Center to Center Distance Between Mounting Facilities Parallel to the Altitude of an Isosceles Triangle | 8.563 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN |
| Winding Function and Quantity | 2 PRIMARY AND 2 SECONDARY SINGLE COMPONENT |
| Body Length | 5.437 INCHES NOMINAL IN |
| Reliability Indicator | NOT ESTABLISHED |
| Frequency Rating | 60.0 HERTZ NOMINAL SINGLE COMPONENT |
| Winding Operating Voltage | 120.00 AC VOLTS NOMINAL SINGLE COMPONENT FIRST SECONDARY |
| Winding Operating Voltage | 480.00 AC VOLTS NOMINAL SINGLE COMPONENT SECOND PRIMARY |
| Winding Operating Voltage | 240.00 AC VOLTS NOMINAL SINGLE COMPONENT SECOND SECONDARY |
| Winding Operating Voltage | 240.00 AC VOLTS NOMINAL SINGLE COMPONENT FIRST PRIMARY |
| Terminal Type and Quantity | 8 WIRE LEAD |
| Mounting Slot Width | 0.250 INCHES NOMINAL SINGLE GROUP IN |
| 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 |
|---|---|
| 573A499EF10REV2 | Lockheed Martin Corporation Div Rms (USA) |
| Reference | Meaning |
|---|---|
| 9T51Y10 | 5/9 Secondary reference Lockheed Martin Corporation Div Rms |
| 9T51Y6434 | 5/9 Secondary reference General Electric Co Specialty Transformer Dept |
| 9T51Y6434 | 3/9 Design control — primary reference U.S. Government activity |
| 9T51B2 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
NSN 5950-00-736-8835 is a Transformer,power, manufactured by Lockheed Martin Corporation Div Rms, classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-00-736-8835 has 1 manufacturer part number on file: 573A499EF10REV2 (Lockheed Martin Corporation Div Rms).
Key specifications for 573A499EF10REV2: Mounting Facility Quantity: 3 SINGLE GROUP; Inclosure Type: PARTIALLY INCLOSED, DOUBLE SHELL; Input-Output Phase Relationship: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT; Mounting Method: SLOT SINGLE GROUP. 18 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.