The Rectifier,semiconductor Device,u, cataloged under National Stock Number 5961-01-178-4127, is classified within Federal Supply Class 5961 (Semiconductor Devices and Associated Hardware) of the Electrical and Electronic Equipment Components group. Government technical data includes 6 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government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 | 5961-01-178-4127 |
| Item Name | Rectifier,semiconductor Device,u |
| FSC / FSG | 5961 / 59 — Semiconductor Devices and Associated Hardware |
| Status | ACTIVE |
| Mounting Method | UNTHREADED HOLE(S) |
| Absolute Maximum Current Rating Per Characteristic | 200.00 AMPERES PEAK FORWARD SURGE CURRENT |
| Absolute Maximum Voltage Rating in Volts Per Characteristic | 1000.0 REVERSE VOLTAGE, PEAK |
| Material | SILICON |
| Terminal Type and Quantity | 4 QUICK DISCONNECT, MALE |
| Circuit Connection Style Designator | BRIDGE 1 PHASE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 100E | 3/9 Design control — primary reference Lewis Corp |
| A525 | 5/9 Secondary reference Lewis Corp |
NSN 5961-01-178-4127 is a Rectifier,semiconductor Device,u, classified under FSC 5961, Semiconductor Devices and Associated Hardware. Status: active.
4 possible matches (shared part number, not a government interchangeability claim): 6645-01-187-3704, 5360-01-225-0379, 4730-01-505-5538. Verify interchangeability with system specifications before substitution.
Key specifications for 5961-01-178-4127: Overall Height: 1.500 INCHES NOMINAL IN; Mounting Method: UNTHREADED HOLE(S); Overall Length: 1.125 INCHES NOMINAL IN; Overall Width: 1.125 INCHES NOMINAL IN. 6 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). 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.