The Transformer,pulse, cataloged under National Stock Number 5950-01-081-4773, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Vanguard Electronics, Llc. Government technical data includes 16 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5950-01-081-4773 |
| Primary Part Number | 145C877A01 |
| Item Name | Transformer,pulse |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | Vanguard Electronics, Llc |
| Status | ACTIVE |
| Mounting Facility Quantity | 1 SINGLE GROUP |
| Inclosure Type | FULLY INCLOSED |
| Body Outside Diameter | 1.120 INCHES NOMINAL IN |
| Mounting Method | THREADED STUD(S) SINGLE GROUP |
| Pulse Repetition Rate | 35.0 KILOHERTZ SINGLE COMPONENT |
| Winding Function and Quantity | 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT |
| Nominal Thread Size | 0.138 INCHES SINGLE GROUP IN |
| Body Length | 1.220 INCHES NOMINAL IN |
| Winding Operating Current | 4.0 AMPERES AC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY |
| DC Resistance Rating in Ohms | 0.010 SINGLE COMPONENT SINGLE SECONDARY |
| DC Resistance Rating in Ohms | 0.250 SINGLE COMPONENT SINGLE PRIMARY |
| Reliability Indicator | NOT ESTABLISHED |
| Thread Quantity Per Inch | 32 SINGLE GROUP |
| Primary to Secondary Turn Ratio | 5 TO 1 SINGLE COMPONENT |
| Terminal Type and Quantity | 4 TAB, 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 |
|---|---|
| 145C877A01 | Vanguard Electronics, Llc (USA) |
| Reference | Meaning |
|---|---|
| 145C877A01 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5950-01-081-4773 is a Transformer,pulse, manufactured by Vanguard Electronics, Llc, classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-01-081-4773 has 1 manufacturer part number on file: 145C877A01 (Vanguard Electronics, Llc).
Key specifications for 145C877A01: Mounting Facility Quantity: 1 SINGLE GROUP; Inclosure Type: FULLY INCLOSED; Body Outside Diameter: 1.120 INCHES NOMINAL IN; Mounting Method: THREADED STUD(S) SINGLE GROUP. 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.