The Coupler,rotary,radio Frequency, cataloged under National Stock Number 5985-00-985-9158, is classified within Federal Supply Class 5985 (Antennas, Waveguides, and Related Equipment) of the Electrical and Electronic Equipment Components group. Government technical data includes 6 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-00-985-9158 |
| Item Name | Coupler,rotary,radio Frequency |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Status | ACTIVE |
| Input Impedance Rating in Ohms | 59.0 |
| Radio Frequency Rating | 1.5 MEGAHERTZ MINIMUM AND 20.0 MEGAHERTZ MAXIMUM |
| Unit Type | COAXIAL LINE |
| Mounting Configuration | TWO 1/4 IN. -20 THD MTG HOLES SPACED 3/4 IN. C TO C IN |
| Material | ALUMINUM |
| Output Impedance Rating in Ohms | 95.0 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| CU-1096/TRD-15 | 5/2 Secondary reference U.S. Government activity |
| SM-C-535791 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5985-00-985-9158 is a Coupler,rotary,radio Frequency, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
Key specifications for 5985-00-985-9158: Overall Height: 6.250 INCHES NOMINAL IN; Input Impedance Rating in Ohms: 59.0; Radio Frequency Rating: 1.5 MEGAHERTZ MINIMUM AND 20.0 MEGAHERTZ MAXIMUM; Overall Length: 5.250 INCHES NOMINAL IN. 6 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 5985-00-985-9158 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.