The Transformer,power, cataloged under National Stock Number 5950-00-346-9170, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Ballantyne of Omaha Inc.. Government technical data includes 17 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5950-00-346-9170 |
| Primary Part Number | 11SB2 |
| Item Name | Transformer,power |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | Ballantyne of Omaha Inc. |
| Status | ACTIVE |
| Mounting Facility Quantity | 4 SINGLE GROUP |
| Inclosure Type | PARTIALLY INCLOSED, DOUBLE SHELL |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 6.125 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN |
| Input-Output Phase Relationship | SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT |
| Mounting Method | BRACKET(S) AND UNTHREADED HOLE(S) SINGLE GROUP |
| Body Width | 4.625 INCHES NOMINAL IN |
| Body Height | 8.000 INCHES NOMINAL IN |
| Mounting Hole Diameter | 0.312 INCHES NOMINAL SINGLE GROUP IN |
| Winding Function and Quantity | 2 PRIMARY AND 2 SECONDARY SINGLE COMPONENT |
| Body Length | 7.250 INCHES NOMINAL IN |
| Winding Operating Current | 24.00 AMPERES AC MAXIMUM SINGLE COMPONENT ALL SECONDARY |
| Reliability Indicator | NOT ESTABLISHED |
| Frequency Rating | 60.0 HERTZ NOMINAL SINGLE COMPONENT |
| Center to Center Distance Between Mounting Facilities Parallel to Width | 2.688 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN |
| Winding Operating Voltage | 26.00 AC VOLTS NOMINAL SINGLE COMPONENT ALL SECONDARY |
| Winding Operating Voltage | 2.00 AC VOLTS NOMINAL AND 4.00 AC VOLTS NOMINAL AND 6.00 AC VOLTS NOMINAL AND 8.00 AC VOLTS NOMINAL AND 10.00 AC VOLTS NOMINAL AND 12.00 AC VOLTS NOMINAL AND 145.50 AC VOLTS NOMINAL AND 152.50 AC VOLTS NOMINAL AND 160.50 AC VOLTS NOMINAL AND 168.50 AC VOLTS NOMINAL AND 177.50 AC VOLTS NOMINAL AND 186.50 AC VOLTS NOMINAL AND 195.50 AC VOLTS NOMINAL SINGLE COMPONENT ALL PRIMARY |
| Terminal Type and Quantity | 32 WIRE LEAD |
| 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 |
|---|---|
| 11SB2 | Ballantyne of Omaha Inc. (USA) |
| Reference | Meaning |
|---|---|
| 304720 | 3/2 Design control — primary reference U.S. Government activity |
| HPB8156ISSUE4 | 5/9 Secondary reference States Electronics Corp Bludworth Marine Div |
NSN 5950-00-346-9170 is a Transformer,power, manufactured by Ballantyne of Omaha Inc., classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-00-346-9170 has 1 manufacturer part number on file: 11SB2 (Ballantyne of Omaha Inc.).
2 possible matches (shared part number, not a government interchangeability claim): 5330-00-736-0128, 6505-01-229-3149. Verify interchangeability with system specifications before substitution.
Key specifications for 11SB2: Mounting Facility Quantity: 4 SINGLE GROUP; Inclosure Type: PARTIALLY INCLOSED, DOUBLE SHELL; Center to Center Distance Between Mounting Facilities Parallel to Length: 6.125 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN; Input-Output Phase Relationship: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT. 17 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.