The Coupler,optoelectronic, cataloged under National Stock Number 5980-01-199-3847, 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 Fairchild Semiconductor Corporation. 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5980-01-199-3847 |
| Primary Part Number | 4N29M |
| Item Name | Coupler,optoelectronic |
| FSC / FSG | 5980 / 59 — Optoelectronic Devices and Associated Hardware |
| Manufacturer | Fairchild Semiconductor Corporation |
| Status | ACTIVE |
| General Characteristics Item Description | PLASTIC; 6 PIN DUAL-IN-LINE PKG; GALLIUM ARSENIDE LED OPTICALLY COUPLED TO SILICON PHOTO DARINGTON TRANSISTOR; 0.280 IN. LG; 0.252 IN. W; 0.144 IN. H IN |
| 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 |
|---|---|
| 4N29M | Fairchild Semiconductor Corporation (USA) |
| Reference | Meaning |
|---|---|
| 4N29 | 5/9 Secondary reference Freescale Semiconductor, Inc. |
| 4N29 | 5/9 Secondary reference Isocom Inc |
| RELEASE 6464 | 5/9 Secondary reference U.S. Government activity |
| 4N29 | 3/9 Design control — primary reference U.S. Government activity |
NSN 5980-01-199-3847 is a Coupler,optoelectronic, manufactured by Fairchild Semiconductor Corporation, classified under FSC 5980, Optoelectronic Devices and Associated Hardware. Status: active.
NSN 5980-01-199-3847 has 1 manufacturer part number on file: 4N29M (Fairchild Semiconductor Corporation).
1 possible match (shared part number, not a government interchangeability claim): 5980-01-205-7293. Verify interchangeability with system specifications before substitution.
Key specifications for 4N29M: General Characteristics Item Description: PLASTIC; 6 PIN DUAL-IN-LINE PKG; GALLIUM ARSENIDE LED OPTICALLY COUPLED TO SILICON PHOTO DARINGTON TRANSISTOR; 0.280 IN. LG; 0.252 IN. W; 0.144 IN. H IN. 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.
NSN 5980-01-199-3847 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.