The Transformer,pulse, cataloged under National Stock Number 5950-01-221-9989, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Data Device Corp Dba Beta Transformer Technology. Government technical data includes 13 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5950-01-221-9989 |
| Primary Part Number | BUS-29854 |
| Item Name | Transformer,pulse |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | Data Device Corp Dba Beta Transformer Technology |
| Status | ACTIVE |
| Inclosure Type | FULLY INCLOSED |
| Mounting Method | TERMINAL SINGLE GROUP |
| Inductance Rating | 7.50 MILLIHENRIES NOMINAL SINGLE COMPONENT SINGLE PRIMARY |
| Body Width | 0.630 INCHES MAXIMUM IN |
| Winding Function and Quantity | 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT |
| Maximum Operating Temp | 125.0 CELSIUS DEGC |
| Body Length | 0.630 INCHES MAXIMUM IN |
| Winding Operating Current | 127.3 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT SINGLE PRIMARY |
| DC Resistance Rating in Ohms | 1.900 SINGLE COMPONENT SINGLE PRIMARY |
| Reliability Indicator | NOT ESTABLISHED |
| Frequency Rating | 250.0 KILOHERTZ MINIMUM AND 3000.0 KILOHERTZ MAXIMUM SINGLE COMPONENT |
| Winding Operating Voltage | 21.20 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY |
| Terminal Type and Quantity | 8 PIN |
| 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 |
|---|---|
| B2211 | Beta Transformer Technology Llc (USA) |
| 1017B9098-0001 | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA) |
| BUS-29854 PRIMARY | Data Device Corp Dba Beta Transformer Technology (USA) |
| Reference | Meaning |
|---|---|
| 1017B9098-1 | 5/9 Secondary reference Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp |
| 4554-5541 | 5/9 Secondary reference Marconi Avionics Ltd |
| T1553-3C | 5/2 Secondary reference U.S. Government activity |
| 4554-5541 | 5/9 Secondary reference Leonardo Mw Ltd |
NSN 5950-01-221-9989 is a Transformer,pulse, manufactured by Data Device Corp Dba Beta Transformer Technology, classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-01-221-9989 has 3 manufacturer part numbers on file: B2211 (Beta Transformer Technology Llc), 1017B9098-0001 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp), BUS-29854 (Data Device Corp Dba Beta Transformer Technology).
1 possible match (shared part number, not a government interchangeability claim): 5365-01-353-3585. Verify interchangeability with system specifications before substitution.
Key specifications for BUS-29854: Overall Height: 0.875 INCHES NOMINAL IN; Inclosure Type: FULLY INCLOSED; Mounting Method: TERMINAL SINGLE GROUP; Inductance Rating: 7.50 MILLIHENRIES NOMINAL SINGLE COMPONENT SINGLE PRIMARY. 13 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.