The Power Transient Suppressor, cataloged under National Stock Number 5961-01-261-3107, 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 Protek Devices Lp Dba Protek Devices. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5961-01-261-3107 |
| Primary Part Number | 587B051 |
| Item Name | Power Transient Suppressor |
| FSC / FSG | 5961 / 59 — Semiconductor Devices and Associated Hardware |
| Manufacturer | Protek Devices Lp Dba Protek Devices |
| Status | ACTIVE |
| General Characteristics Item Description | 120 VAC POWER LINE,5 AMP MAX LINE CURRENT,O/A DIMS. 4.000 IN. LG,2.750 IN. H,2.000 IN. W,WITH TWO 0.169IN. DIA. MTG HOLES,FOUR TERMINALS,TERMINAL THREADS NO. 8-32 VAC |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 587B051 PRIMARY | Protek Devices Lp Dba Protek Devices (USA) |
| Reference | Meaning |
|---|---|
| 587B051 | 5/9 Secondary reference General Semiconductor Industries Inc |
| 1551AS748-1 | C/1 Advisory reference — outside the item-of-supply concept Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
NSN 5961-01-261-3107 is a Power Transient Suppressor, manufactured by Protek Devices Lp Dba Protek Devices, classified under FSC 5961, Semiconductor Devices and Associated Hardware. Status: active.
NSN 5961-01-261-3107 has 1 manufacturer part number on file: 587B051 (Protek Devices Lp Dba Protek Devices).
Key specifications for 587B051: General Characteristics Item Description: 120 VAC POWER LINE,5 AMP MAX LINE CURRENT,O/A DIMS. 4.000 IN. LG,2.750 IN. H,2.000 IN. W,WITH TWO 0.169IN. DIA. MTG HOLES,FOUR TERMINALS,TERMINAL THREADS NO. 8-32 VAC; End Item Identification: FA9996. 1 specification is 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.