The Receiver-Transmitter,light Signa, cataloged under National Stock Number 6030-01-547-0776, is classified within Federal Supply Class 6030 (Fiber Optic Devices) of the Fiber Optics Materials, Components, Assemblies, and Accessories group. The manufacturer of record is Tc Communications, Inc. Dba Tc Communications Inc. Government technical data includes 2 specifications, 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6030-01-547-0776 |
| Primary Part Number | TC1901U-03 ST2-24 |
| Item Name | Receiver-Transmitter,light Signa |
| FSC / FSG | 6030 / 60 — Fiber Optic Devices |
| Manufacturer | Tc Communications, Inc. Dba Tc Communications Inc |
| Status | ACTIVE |
| Voltage in Volts and Current Type | 24.0 DC |
| Functional Description | RMSN;RD YRVJMOVOSMD AT A CONTROL CENTER TO PICK UP A HAND SET AND DISCUSS IMMEDIATE SITUATIONS WITH A REMOTE SITE. IS FXO AND FXS SWITCH SELECTABLE. VOICE QUALITY DOES NOT DEGRADE OVER EXTENDED DISTANCES |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| TC1901U-03 ST2-24 PRIMARY | Tc Communications, Inc. Dba Tc Communications Inc (USA) |
NSN 6030-01-547-0776 is a Receiver-Transmitter,light Signa, manufactured by Tc Communications, Inc. Dba Tc Communications Inc, classified under FSC 6030, Fiber Optic Devices. Status: active.
NSN 6030-01-547-0776 has 1 manufacturer part number on file: TC1901U-03 ST2-24 (Tc Communications, Inc. Dba Tc Communications Inc).
Key specifications for TC1901U-03 ST2-24: Overall Height: 3.53 MILLIMETERS NOMINAL MM; Voltage in Volts and Current Type: 24.0 DC; Overall Length: 24.89 MILLIMETERS NOMINAL MM; Overall Width: 18.14 MILLIMETERS NOMINAL MM. 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 6030-01-547-0776 has DEMIL Code D. 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.