The Coupler,rotary,radio Frequency, cataloged under National Stock Number 5985-00-856-6301, is classified within Federal Supply Class 5985 (Antennas, Waveguides, and Related Equipment) of the Electrical and Electronic Equipment Components group. The manufacturer of record is L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc.. Government technical data includes 7 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-00-856-6301 |
| Primary Part Number | 601407-301 |
| Item Name | Coupler,rotary,radio Frequency |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc. |
| Status | ACTIVE |
| Overall Diameter | 16.704 INCHES NOMINAL IN |
| Input Impedance Rating in Ohms | 50.0 |
| Radio Frequency Rating | 40.0 MEGAHERTZ MINIMUM AND 1080.0 MEGAHERTZ MAXIMUM |
| Unit Type | COAXIAL LINE |
| Mounting Configuration | 4 MTG HOLES 0.562 IN. DIA ON 5.250 IN. BY 9.000 IN. MTG CENTERS IN |
| Material | ALUMINUM |
| Output Impedance Rating in Ohms | 50.0 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 601407-301 | L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc. (USA) |
| 601407-901 | L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc. (USA) |
| 493077 | L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 4401F0072 | 3/2 Design control — primary reference U.S. Government activity |
| 4401F0072 | 5/9 Secondary reference U.S. Government activity |
NSN 5985-00-856-6301 is a Coupler,rotary,radio Frequency, manufactured by L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc., classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-00-856-6301 has 3 manufacturer part numbers on file: 601407-301 (L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc.), 601407-901 (L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc.), 493077 (L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc.).
Key specifications for 601407-301: Overall Diameter: 16.704 INCHES NOMINAL IN; Input Impedance Rating in Ohms: 50.0; Radio Frequency Rating: 40.0 MEGAHERTZ MINIMUM AND 1080.0 MEGAHERTZ MAXIMUM; Overall Length: 40.250 INCHES NOMINAL IN. 7 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 5985-00-856-6301 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.