The Coupler,rotary,radio Frequency, cataloged under National Stock Number 5985-01-661-8093, 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 Microlab/fxr Llc. Government technical data includes 2 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-661-8093 |
| Primary Part Number | DN-44FN |
| Item Name | Coupler,rotary,radio Frequency |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Microlab/fxr Llc |
| Status | ACTIVE |
| Radio Frequency Rating | 350.0 MEGAHERTZ MINIMUM AND 2700.0 MEGAHERTZ MAXIMUM |
| Unit Type | COAXIAL LINE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 9R8-0391/01 | Leonardo Uk Ltd (GBR) |
| DN-44FN PRIMARY | Microlab/fxr Llc (USA) |
| 40029238 | Ministry of Defence, Future Aircraft Carrier Ipt (cvf Ipt) (GBR) |
NSN 5985-01-661-8093 is a Coupler,rotary,radio Frequency, manufactured by Microlab/fxr Llc, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-661-8093 has 3 manufacturer part numbers on file: 9R8-0391/01 (Leonardo Uk Ltd), DN-44FN (Microlab/fxr Llc), 40029238 (Ministry of Defence, Future Aircraft Carrier Ipt (cvf Ipt)).
Key specifications for DN-44FN: Overall Height: 40.74 MILLIMETERS NOMINAL MM; Radio Frequency Rating: 350.0 MEGAHERTZ MINIMUM AND 2700.0 MEGAHERTZ MAXIMUM; Overall Length: 121.16 MILLIMETERS NOMINAL MM; Overall Width: 50.8 MILLIMETERS NOMINAL MM. 2 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.
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.