The Transformer,pulse, cataloged under National Stock Number 5950-00-250-7576, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Lucent Technologies Inc Corporate Headquarters. Government technical data includes 16 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through both NSN and commercial part number lookups. 10 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5950-00-250-7576 |
| Primary Part Number | B0172558 |
| Item Name | Transformer,pulse |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | Lucent Technologies Inc Corporate Headquarters |
| Status | ACTIVE |
| Mounting Facility Quantity | 2 SINGLE GROUP |
| Inclosure Type | HERMETICALLY SEALED |
| Mounting Method | THREADED STUD(S) SINGLE GROUP |
| Body Width | 1.750 INCHES NOMINAL IN |
| Body Height | 3.469 INCHES NOMINAL IN |
| Pulse Repetition Rate | 1.32 KILOHERTZ SINGLE COMPONENT |
| Winding Function and Quantity | 1 PRIMARY AND 2 SECONDARY SINGLE COMPONENT |
| Impedance Rating in Ohms | 300.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY |
| Impedance Rating in Ohms | 8750.0 NOMINAL SINGLE COMPONENT ALL SECONDARY |
| Distance Between Mounting Facility Centers | 2.250 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN |
| Nominal Thread Size | 0.250 INCHES SINGLE GROUP IN |
| Body Length | 3.406 INCHES NOMINAL IN |
| Reliability Indicator | NOT ESTABLISHED |
| Thread Quantity Per Inch | 20 SINGLE GROUP |
| Terminal Type and Quantity | 6 STANDOFF, SOLDER LUG |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) SINGLE GROUP |
| 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 |
|---|---|
| D178749 | Lucent Technologies Inc Corporate Headquarters (USA) |
| B0172558 PRIMARY | Lucent Technologies Inc Corporate Headquarters (USA) |
| Reference | Meaning |
|---|---|
| B0172720 | 5/9 Secondary reference American Telephone and Telegraph Co |
| D178749 | 5/9 Secondary reference American Telephone and Telegraph Co |
| B0172558 | 5/9 Secondary reference Lucent Technologies Inc Dba Federal Marketing Group |
| D178749 | 5/9 Secondary reference Lucent Technologies Inc Dba Federal Marketing Group |
| B0172558 | 3/9 Design control — primary reference American Telephone and Telegraph Co |
| B0-172558 | 5/9 Secondary reference At and T Corp |
| B0172720 | 5/9 Secondary reference At and T Corp |
| D178749 | 5/9 Secondary reference At and T Corp |
| B0-172558 | 5/9 Secondary reference American Telephone and Telegraph Co |
| B0172558 | 5/9 Secondary reference At and T Corp |
NSN 5950-00-250-7576 is a Transformer,pulse, manufactured by Lucent Technologies Inc Corporate Headquarters, classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-00-250-7576 has 2 manufacturer part numbers on file: D178749 (Lucent Technologies Inc Corporate Headquarters), B0172558 (Lucent Technologies Inc Corporate Headquarters).
Key specifications for B0172558: Mounting Facility Quantity: 2 SINGLE GROUP; Inclosure Type: HERMETICALLY SEALED; Mounting Method: THREADED STUD(S) SINGLE GROUP; Body Width: 1.750 INCHES NOMINAL IN. 16 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.