The Transformer,power, cataloged under National Stock Number 5950-01-118-3897, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Sora Power Inc. Dba Sigma Division. Government technical data includes 15 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5950-01-118-3897 |
| Primary Part Number | 11011 |
| Item Name | Transformer,power |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | Sora Power Inc. Dba Sigma Division |
| Status | ACTIVE |
| Transformer Winding Connection Type | DELTA-DELTA |
| Mounting Facility Quantity | 4 SINGLE GROUP |
| Inclosure Type | OPEN |
| 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 | THREE PHASE TO THREE PHASE SINGLE COMPONENT |
| Mounting Method | UNTHREADED HOLE(S) SINGLE GROUP |
| Body Width | 2.430 INCHES MAXIMUM IN |
| Body Height | 1.620 INCHES MAXIMUM IN |
| Mounting Hole Diameter | 0.180 INCHES NOMINAL SINGLE GROUP IN |
| Winding Function and Quantity | 1 PRIMARY AND 2 SECONDARY SINGLE COMPONENT |
| Winding Shielding Method | INTERNAL SHIELD GROUNDED TO CORE SINGLE COMPONENT |
| Body Length | 4.380 INCHES MAXIMUM IN |
| Reliability Indicator | NOT ESTABLISHED |
| Center to Center Distance Between Mounting Facilities Parallel to Width | 3.000 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN |
| Terminal Type and Quantity | 9 TAB, SOLDER LUG |
| 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 |
|---|---|
| 11011 PRIMARY | Sora Power Inc. Dba Sigma Division (USA) |
| L504000459 | Lockheed Martin Librascope Corporation (USA) |
| Reference | Meaning |
|---|---|
| 61556-007 | C/1 Advisory reference — outside the item-of-supply concept Dynalec Corporation |
| TF5SXD1JA | C/1 Advisory reference — outside the item-of-supply concept Freed Transformer Co |
| TRR-5667 | C/1 Advisory reference — outside the item-of-supply concept I-T-E Imperial Corp Subsidiary of Gould Inc |
| TF5S03ZZ | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
NSN 5950-01-118-3897 is a Transformer,power, manufactured by Sora Power Inc. Dba Sigma Division, classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-01-118-3897 has 2 manufacturer part numbers on file: 11011 (Sora Power Inc. Dba Sigma Division), L504000459 (Lockheed Martin Librascope Corporation).
Key specifications for 11011: Overall Height: 1.620 INCHES MAXIMUM IN; Transformer Winding Connection Type: DELTA-DELTA; Mounting Facility Quantity: 4 SINGLE GROUP; Inclosure Type: OPEN. 15 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.