The Transformer,power, cataloged under National Stock Number 5950-00-105-9598, 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 12 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5950-00-105-9598 |
| Primary Part Number | C12 |
| Item Name | Transformer,power |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | B G Laboratories Inc. |
| Status | ACTIVE |
| Mounting Facility Quantity | 4 SINGLE GROUP |
| Inclosure Type | FULLY INCLOSED |
| Input-Output Phase Relationship | SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT |
| Mounting Method | FLANGE AND UNTHREADED HOLE(S) SINGLE GROUP |
| Body Width | 0.828 INCHES MAXIMUM IN |
| Body Height | 1.195 INCHES MAXIMUM IN |
| Mounting Hole Diameter | 0.062 INCHES NOMINAL SINGLE GROUP IN |
| Distance Between Mounting Facility Centers | 0.522 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN |
| Body Length | 1.105 INCHES MAXIMUM IN |
| Reliability Indicator | NOT ESTABLISHED |
| Frequency Rating | 400.0 HERTZ NOMINAL SINGLE COMPONENT |
| Terminal Type and Quantity | 6 SLOTTED 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 |
|---|---|
| C12 PRIMARY | B G Laboratories Inc. (USA) |
| Reference | Meaning |
|---|---|
| K3978 | 5/9 Secondary reference Keytronics, Inc. Div Api Technologies Corp- Magnetics |
| K3978 | 5/9 Secondary reference Gladding-Keystone Corp |
| 68400240701 | 1/2 Source control — Government-approved source U.S. Government activity |
NSN 5950-00-105-9598 is a Transformer,power, manufactured by B G Laboratories Inc., classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-00-105-9598 has 1 manufacturer part number on file: C12 (B G Laboratories Inc.).
1 possible match (shared part number, not a government interchangeability claim): 5935-01-298-5079. Verify interchangeability with system specifications before substitution.
Key specifications for C12: Mounting Facility Quantity: 4 SINGLE GROUP; Inclosure Type: FULLY INCLOSED; Input-Output Phase Relationship: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT; Mounting Method: FLANGE AND UNTHREADED HOLE(S) SINGLE GROUP. 12 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.