The Coupler,optoelectronic, cataloged under National Stock Number 5980-01-014-9654, 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 Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5980-01-014-9654 |
| Primary Part Number | 921816-1 |
| Item Name | Coupler,optoelectronic |
| FSC / FSG | 5980 / 59 — Optoelectronic Devices and Associated Hardware |
| Manufacturer | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp |
| Status | ACTIVE |
| General Characteristics Item Description | PHOTO DARLINGTON TRANSISTOR COUPLED PAIR,0.350 @IN. MAX LG,0.260 IN. MAX W,0.125 IN. H,SIX TERMINALS IN |
| 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 |
|---|---|
| 921816-1 PRIMARY | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA) |
| Reference | Meaning |
|---|---|
| 4N33 | 5/1 Secondary reference Freescale Semiconductor, Inc. |
| MOC1200 | 5/9 Secondary reference Freescale Semiconductor, Inc. |
NSN 5980-01-014-9654 is a Coupler,optoelectronic, manufactured by Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp, classified under FSC 5980, Optoelectronic Devices and Associated Hardware. Status: active.
NSN 5980-01-014-9654 has 1 manufacturer part number on file: 921816-1 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp).
1 possible match (shared part number, not a government interchangeability claim): 5980-01-044-4989. Verify interchangeability with system specifications before substitution.
Key specifications for 921816-1: General Characteristics Item Description: PHOTO DARLINGTON TRANSISTOR COUPLED PAIR,0.350 @IN. MAX LG,0.260 IN. MAX W,0.125 IN. H,SIX TERMINALS 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.
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.