The Coupler,rotary,radio Frequency, cataloged under National Stock Number 5985-00-042-9420, 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 Microwave Engineering Corporation. Government technical data includes 4 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5985-00-042-9420 |
| Primary Part Number | 605R598G01 |
| Item Name | Coupler,rotary,radio Frequency |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Microwave Engineering Corporation |
| Status | ACTIVE |
| FSC Application Data | ANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT |
| Unit Type | COAXIAL LINE AND WAVEGUIDE |
| Mounting Configuration | 3 UNTHREADED HOLES 0.170 IN. DIA THRU IN |
| Material | ALUMINUM ALLOY |
| 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 |
|---|---|
| 605R598G01 | Microwave Engineering Corporation (USA) |
| Reference | Meaning |
|---|---|
| 605R598G01 | 5/9 Secondary reference Lucas Aerospace Communications and Electronics Inc |
| 605R598G01 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5985-00-042-9420 is a Coupler,rotary,radio Frequency, manufactured by Microwave Engineering Corporation, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-00-042-9420 has 1 manufacturer part number on file: 605R598G01 (Microwave Engineering Corporation).
Key specifications for 605R598G01: FSC Application Data: ANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT; Overall Length: 3.185 INCHES NOMINAL IN; Overall Width: 2.173 INCHES NOMINAL IN; Unit Type: COAXIAL LINE AND WAVEGUIDE. 4 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 5985-00-042-9420 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.