The Coupler,optoelectronic, cataloged under National Stock Number 5980-01-024-4377, 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 Rheinmetall Air Defence Ag. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5980-01-024-4377 |
| Primary Part Number | Q531755009 |
| Item Name | Coupler,optoelectronic |
| FSC / FSG | 5980 / 59 — Optoelectronic Devices and Associated Hardware |
| Manufacturer | Rheinmetall Air Defence Ag |
| Status | ACTIVE |
| General Characteristics Item Description | OPTICALLY-COUPLED ISOLATOR,M 55.0 TO P 100.0 DEG C OPERATING TEMP RANGE,0.340 IN. LG,0.250 IN. W,SIX TERMINALS IN |
| Storage Temp Range | -55.0 TO 150.0 CELSIUS DEGC |
| 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 |
|---|---|
| Q531755009 | Rheinmetall Air Defence Ag (CHE) |
| Q531705009 | Rheinmetall Air Defence Ag (CHE) |
| Reference | Meaning |
|---|---|
| FCD820 | 3/9 Design control — primary reference Fairchild Semiconductor Corp |
| 457-6023 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| 409-27 | 5/2 Secondary reference U.S. Government activity |
NSN 5980-01-024-4377 is a Coupler,optoelectronic, manufactured by Rheinmetall Air Defence Ag, classified under FSC 5980, Optoelectronic Devices and Associated Hardware. Status: active.
NSN 5980-01-024-4377 has 2 manufacturer part numbers on file: Q531755009 (Rheinmetall Air Defence Ag), Q531705009 (Rheinmetall Air Defence Ag).
1 possible match (shared part number, not a government interchangeability claim): 9390-01-689-7441. Verify interchangeability with system specifications before substitution.
Key specifications for Q531755009: General Characteristics Item Description: OPTICALLY-COUPLED ISOLATOR,M 55.0 TO P 100.0 DEG C OPERATING TEMP RANGE,0.340 IN. LG,0.250 IN. W,SIX TERMINALS IN; Storage Temp Range: -55.0 TO 150.0 CELSIUS DEGC. 2 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 5980-01-024-4377 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.