The Semiconductor Device,diode, cataloged under National Stock Number 5961-01-533-3592, is classified within Federal Supply Class 5961 (Semiconductor Devices and Associated Hardware) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Compensated Devices Inc. Government technical data includes 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 5961-01-533-3592 |
| Primary Part Number | 1N6638U |
| Item Name | Semiconductor Device,diode |
| FSC / FSG | 5961 / 59 — Semiconductor Devices and Associated Hardware |
| Manufacturer | Compensated Devices Inc |
| Status | ACTIVE |
| Voltage Rating in Volts Per Characteristic | 125.00 MAXIMUM REVERSE VOLTAGE, PEAK |
| Current Rating Per Characteristic | 2.50 AMPERES MAXIMUM PEAK FORWARD SURGE CURRENT |
| Material | SILICON SEMICONDUCTOR |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 5961-01-533-3592 is a Semiconductor Device,diode, manufactured by Compensated Devices Inc, classified under FSC 5961, Semiconductor Devices and Associated Hardware. Status: active.
NSN 5961-01-533-3592 has 2 manufacturer part numbers on file: 1N6638U (Compensated Devices Inc), 1N6638US (Compensated Devices Inc).
2 possible matches (shared part number, not a government interchangeability claim): 5961-01-610-9646, 5961-01-627-3457. Verify interchangeability with system specifications before substitution.
Key specifications for 1N6638U: Voltage Rating in Volts Per Characteristic: 125.00 MAXIMUM REVERSE VOLTAGE, PEAK; Current Rating Per Characteristic: 2.50 AMPERES MAXIMUM PEAK FORWARD SURGE CURRENT; Part Name Assigned by Controlling Agency: DIODE,SWITCHING,SURFACE MOUNT; End Item Identification: C-17 AIRCRAFT. 3 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.