The Switch,fiber Optic, cataloged under National Stock Number 6021-01-511-1918, is classified within Federal Supply Class 6021 (Fiber Optic Switches) of the Fiber Optics Materials, Components, Assemblies, and Accessories group. The manufacturer of record is Curtiss-Wright Controls Electronic Systems, Inc.. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6021-01-511-1918 |
| Primary Part Number | H-AS-FORELAY-60 |
| Item Name | Switch,fiber Optic |
| FSC / FSG | 6021 / 60 — Fiber Optic Switches |
| Manufacturer | Curtiss-Wright Controls Electronic Systems, 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 |
|---|---|
| 91794638 | Thales Uk Limited Dba Thales Uk Ltd Training and Simulation (GBR) |
| H-AS-FORELAY-60 PRIMARY | Curtiss-Wright Controls Electronic Systems, Inc. (USA) |
| Reference | Meaning |
|---|---|
| H-AS-FORELAY-50 | 5/9 Secondary reference Curtiss-Wright Controls Electronic Systems, Inc. |
NSN 6021-01-511-1918 is a Switch,fiber Optic, manufactured by Curtiss-Wright Controls Electronic Systems, Inc., classified under FSC 6021, Fiber Optic Switches. Status: active.
NSN 6021-01-511-1918 has 2 manufacturer part numbers on file: 91794638 (Thales Uk Limited Dba Thales Uk Ltd Training and Simulation), H-AS-FORELAY-60 (Curtiss-Wright Controls Electronic Systems, Inc.).
Key specifications for H-AS-FORELAY-60: Special Features: BASED ON A FIBER-OPTIC-RING TOPO LOGY; ST-STYLE RECEPTACLES ON NETWORK SIDE AND ST-STYLE MALE CONNECTORS ON NODE SIDE; OPERATING TEMPERATURE -10 TO 65 DEGREES C; Part Name Assigned by Controlling Agency: FIBER OPTIC BYPASS SWITCH; End Item Identification: VISUAL SYSTEM FOR SEA HARRIER SIMULATOR. 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.
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.