The Semiconductor Device Assembly, cataloged under National Stock Number 5980-01-669-1985, is classified within Federal Supply Class 5980 (Optoelectronic Devices and Associated Hardware) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Essex Electro Engineers Inc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Item Name | Semiconductor Device Assembly |
| FSC / FSG | 5980 — Optoelectronic Devices and Associated Hardware (FSG 59) |
| Manufacturers | Essex Electro Engineers Inc (CAGE 21269) |
| Parameter | Value |
|---|---|
| NSN | 5980-01-669-1985 |
| Primary Part Number | C637-2301 |
| Item Name | Semiconductor Device Assembly |
| FSC / FSG | 5980 / 59 — Optoelectronic Devices and Associated Hardware |
| Manufacturer | Essex Electro Engineers Inc |
| Status | ACTIVE |
| 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 |
|---|---|
| C637-2301 PRIMARY | Essex Electro Engineers Inc (USA) |
NSN 5980-01-669-1985 is a Semiconductor Device Assembly, manufactured by Essex Electro Engineers Inc, classified under FSC 5980, Optoelectronic Devices and Associated Hardware. Status: active.
NSN 5980-01-669-1985 has 1 manufacturer part number on file: C637-2301 (Essex Electro Engineers Inc).
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.