The Coupler,rotary,radio Frequency, cataloged under National Stock Number 5985-00-025-9345, 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 Diamond Antenna & Microwave Corporation. Government technical data includes 7 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-00-025-9345 |
| Primary Part Number | 19-2120-0 |
| Item Name | Coupler,rotary,radio Frequency |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Diamond Antenna & Microwave Corporation |
| Status | ACTIVE |
| Overall Diameter | 2.000 INCHES NOMINAL IN |
| Input Impedance Rating in Ohms | 50.0 |
| Radio Frequency Rating | 1.01 GIGAHERTZ MINIMUM AND 1.11 GIGAHERTZ MAXIMUM |
| Unit Type | COAXIAL LINE |
| Mounting Configuration | FOUR NO. 8-32 THD MTG HOLES EQUALLY SPACED ON 1.625 IN. DIA BOLT CIRCLE IN |
| Material | COPPER ALLOY 268 |
| Output Impedance Rating in Ohms | 50.0 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL C — Remove/Demil Key Points |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 19-2120-0 PRIMARY | Diamond Antenna & Microwave Corporation (USA) |
| Reference | Meaning |
|---|---|
| 40190-101 | 5/9 Secondary reference U.S. Government activity |
| 40190-101 | 5/9 Secondary reference Datron Systems Inc |
NSN 5985-00-025-9345 is a Coupler,rotary,radio Frequency, manufactured by Diamond Antenna & Microwave Corporation, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-00-025-9345 has 1 manufacturer part number on file: 19-2120-0 (Diamond Antenna & Microwave Corporation).
Key specifications for 19-2120-0: Overall Diameter: 2.000 INCHES NOMINAL IN; Input Impedance Rating in Ohms: 50.0; Radio Frequency Rating: 1.01 GIGAHERTZ MINIMUM AND 1.11 GIGAHERTZ MAXIMUM; Overall Length: 4.126 INCHES MINIMUM AND 4.246 INCHES MAXIMUM 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 5985-00-025-9345 has DEMIL Code C. 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.