The Semiconductor Devices,unitized, cataloged under National Stock Number 5961-01-043-6503, 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 Sertech Laboratories Inc/ Micro Uspd Dba Microsemi Corp Div Microsemi Watertown. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5961-01-043-6503 |
| Primary Part Number | FSA2620M |
| Item Name | Semiconductor Devices,unitized |
| FSC / FSG | 5961 / 59 — Semiconductor Devices and Associated Hardware |
| Manufacturer | Sertech Laboratories Inc/ Micro Uspd Dba Microsemi Corp Div Microsemi Watertown |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 615569-902 | Raytheon Company (USA) |
| FSA2620M PRIMARY | Sertech Laboratories Inc/ Micro Uspd Dba Microsemi Corp Div Microsemi Watertown (USA) |
NSN 5961-01-043-6503 is a Semiconductor Devices,unitized, manufactured by Sertech Laboratories Inc/ Micro Uspd Dba Microsemi Corp Div Microsemi Watertown, classified under FSC 5961, Semiconductor Devices and Associated Hardware. Status: active.
NSN 5961-01-043-6503 has 2 manufacturer part numbers on file: 615569-902 (Raytheon Company), FSA2620M (Sertech Laboratories Inc/ Micro Uspd Dba Microsemi Corp Div Microsemi Watertown).
1 possible match (shared part number, not a government interchangeability claim): 5961-01-336-0815. Verify interchangeability with system specifications before substitution.
Key specifications for FSA2620M: Overall Height: 0.080 INCHES NOMINAL IN; Overall Length: 0.765 INCHES NOMINAL IN; Overall Width: 0.385 INCHES NOMINAL IN. 0 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 5961-01-043-6503 has DEMIL Code B. 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.