The Semiconductor Devices,unitized, cataloged under National Stock Number 5961-01-177-4550, 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 Te Connectivity Corporation. Government technical data includes 3 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5961-01-177-4550 |
| Primary Part Number | 591857-1 |
| Item Name | Semiconductor Devices,unitized |
| FSC / FSG | 5961 / 59 — Semiconductor Devices and Associated Hardware |
| Manufacturer | Te Connectivity Corporation |
| Status | ACTIVE |
| Mounting Facility Quantity | 2 |
| Mounting Method | UNTHREADED HOLE(S) |
| Component Name and Quantity | 4 SEMICONDUCTOR DEVICE DIODE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 591857-1 PRIMARY | Te Connectivity Corporation (USA) |
| Reference | Meaning |
|---|---|
| 5961PL2221164 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 12079-20E-009 | 5/9 Secondary reference Amphenol Optimize Manufacturing Co. Div Amphenol Aerospace/matrix |
NSN 5961-01-177-4550 is a Semiconductor Devices,unitized, manufactured by Te Connectivity Corporation, classified under FSC 5961, Semiconductor Devices and Associated Hardware. Status: active.
NSN 5961-01-177-4550 has 1 manufacturer part number on file: 591857-1 (Te Connectivity Corporation).
Key specifications for 591857-1: Overall Height: 1.310 INCHES MAXIMUM IN; Mounting Facility Quantity: 2; Mounting Method: UNTHREADED HOLE(S); Overall Length: 1.750 INCHES NOMINAL IN. 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.
NSN 5961-01-177-4550 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.