The Modulator,radar, cataloged under National Stock Number 5840-01-034-1681, is classified within Federal Supply Class 5840 (Radar Equipment, Except Airborne) of the Communication, Detection, and Coherent Radiation Equipment group. The manufacturer of record is Raytheon Company Dba Raytheon Co. Government technical data includes 19 specifications, cited from the U.S. Government catalog. The record lists 3 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5840-01-034-1681 |
| Primary Part Number | 855348-1 |
| Item Name | Modulator,radar |
| FSC / FSG | 5840 / 58 — Radar Equipment, Except Airborne |
| Manufacturer | Raytheon Company Dba Raytheon Co |
| Status | ACTIVE |
| Circuit Construction Type | SOLID STATE |
| FSC Application Data | RADAR EQUIP.,EXCEPT AIRBORNE |
| Impedance Rating Per Channel | 50.000 OHMS OPERATING CHANNEL |
| Output Wave Shape | PULSE, VARIABLE WIDTH |
| Inclosure Type | ENCASED |
| Control Type | REMOTE |
| Frequency Per Channel | 30.0 MEGAHERTZ MINIMUM OPERATING CHANNEL AND 70.0 MEGAHERTZ MAXIMUM OPERATING CHANNEL |
| Connection Type | PIN BOTTOM |
| Individual Section Quantity | 1 |
| Connection Contact Type and Quantity | 8 PIN EXTERNAL |
| Operating Control Method | AUTOMATIC |
| Basic Shape Style | RECTANGULAR OR SQUARE |
| Storage Temp Range | -62.0 TO 75.0 CELSIUS DEGC |
| Average Life Measurement | NOT RATED |
| Operating Temp Range | +0.0 TO 65.0 CELSIUS DEGC |
| Material | COPPER ALLOY ENCLOSURE |
| Frequency Adjustment Type | CONTINUOUS |
| Installation Design | MODULE |
| External DC Operating Voltage in Volts | 1.5 NOMINAL SINGLE VOLTAGE |
| 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 |
|---|---|
| R-IS-1018 | Crane Electronics, Inc. Dba Signal Technology Div Olektron (USA) |
| 855348-1 | Raytheon Company (USA) |
| 855348-1 PRIMARY | Raytheon Company Dba Raytheon Co (USA) |
| Reference | Meaning |
|---|---|
| R1S114 | 5/9 Secondary reference Signal Technology Corporation Div Systems Operation |
| R-IS-1018 | 5/9 Secondary reference Signal Technology Corporation Div Systems Operation |
| 855348-1 | 5/9 Secondary reference Raytheon Company Div Corp |
NSN 5840-01-034-1681 is a Modulator,radar, manufactured by Raytheon Company Dba Raytheon Co, classified under FSC 5840, Radar Equipment, Except Airborne. Status: active.
NSN 5840-01-034-1681 has 3 manufacturer part numbers on file: R-IS-1018 (Crane Electronics, Inc. Dba Signal Technology Div Olektron), 855348-1 (Raytheon Company), 855348-1 (Raytheon Company Dba Raytheon Co).
Key specifications for 855348-1: Circuit Construction Type: SOLID STATE; Overall Height: 0.380 INCHES NOMINAL IN; FSC Application Data: RADAR EQUIP.,EXCEPT AIRBORNE; Impedance Rating Per Channel: 50.000 OHMS OPERATING CHANNEL. 19 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 5840-01-034-1681 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.