The Arrester,electrical Surge, cataloged under National Stock Number 5920-01-565-0661, is classified within Federal Supply Class 5920 (Fuses, Arrestors, Absorbers, and Protectors) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Joslyn Products. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5920-01-565-0661 |
| Primary Part Number | 1265-21 |
| Item Name | Arrester,electrical Surge |
| FSC / FSG | 5920 / 59 — Fuses, Arrestors, Absorbers, and Protectors |
| Manufacturer | Joslyn Products |
| Status | ACTIVE |
| 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 |
|---|---|
| 1265-21 PRIMARY | Joslyn Products (USA) |
| 261-019993-P001 | Saab, Inc Div Surveillance (USA) |
| Reference | Meaning |
|---|---|
| AJW-1473049 | D/9 Drawing number reference only U S Dept of Transportation Federal Aviation Administration |
NSN 5920-01-565-0661 is a Arrester,electrical Surge, manufactured by Joslyn Products, classified under FSC 5920, Fuses, Arrestors, Absorbers, and Protectors. Status: active.
NSN 5920-01-565-0661 has 2 manufacturer part numbers on file: 1265-21 (Joslyn Products), 261-019993-P001 (Saab, Inc Div Surveillance).
Key specifications for 1265-21: Part Name Assigned by Controlling Agency: SURGE PROTECTOR; End Item Identification: MALSR-SS & WIDE AREA MULTILATERAL (WAM). 0 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.