The Transformer,power, cataloged under National Stock Number 5950-01-572-7903, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is B G Laboratories Inc.. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5950-01-572-7903 |
| Primary Part Number | B193C |
| Item Name | Transformer,power |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | B G Laboratories Inc. |
| Status | ACTIVE |
| Inclosure Type | HERMETICALLY SEALED |
| Frequency Rating | 55.0 HERTZ MINIMUM AND 65.0 HERTZ MAXIMUM ALL COMPONENTS |
| 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 |
|---|---|
| 63A159668P3 | Lockheed Martin Corporation Div Rotary and Mission Systems (USA) |
| B193C PRIMARY | B G Laboratories Inc. (USA) |
| 63E920284G1 ITEM NO T1 | Lockheed Martin Corporation Div Rotary and Mission Systems (USA) |
| Reference | Meaning |
|---|---|
| 63A159668 | D/9 Drawing number reference only Lockheed Martin Corporation Div Rotary and Mission Systems |
NSN 5950-01-572-7903 is a Transformer,power, manufactured by B G Laboratories Inc., classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-01-572-7903 has 3 manufacturer part numbers on file: 63A159668P3 (Lockheed Martin Corporation Div Rotary and Mission Systems), B193C (B G Laboratories Inc.), 63E920284G1 ITEM NO T1 (Lockheed Martin Corporation Div Rotary and Mission Systems).
1 possible match (shared part number, not a government interchangeability claim): 5950-01-572-7921. Verify interchangeability with system specifications before substitution.
Key specifications for B193C: Inclosure Type: HERMETICALLY SEALED; Special Features: END ITEM:RELAY INTERFACE ASSEMBLY,CONTROL CONSOLE ELECTRICAL,ITEM OUTPUT ISOLATION STEP-UP TRANSFOTMER CHANNEL 1-P3 THE TRANSFORMER WILL HAVE PRECISION PHASE MATCHING WITH LIMITED PHASE SHIFT AS DEFINED; Frequency Rating: 55.0 HERTZ MINIMUM AND 65.0 HERTZ MAXIMUM ALL COMPONENTS. 2 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.