The Coupler,rotary,radio Frequency, cataloged under National Stock Number 5985-00-855-1231, is classified within Federal Supply Class 5985 (Antennas, Waveguides, and Related Equipment) of the Electrical and Electronic Equipment Components group. Government technical data includes 4 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-00-855-1231 |
| Item Name | Coupler,rotary,radio Frequency |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Status | ACTIVE |
| Radio Frequency Rating | 7.0 MEGAHERTZ MINIMUM AND 17.5 MEGAHERTZ MAXIMUM |
| Unit Type | WAVEGUIDE |
| Mounting Configuration | 4 MTG HOLES NO. 1/4-28 THD EVENLY SPACED ON A 2.438 IN. BOLT CIRCLE DIA IN |
| Material | COPPER ALLOY |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 1228843 | 3/9 Design control — primary reference Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
NSN 5985-00-855-1231 is a Coupler,rotary,radio Frequency, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
Key specifications for 5985-00-855-1231: Overall Height: 27.500 INCHES NOMINAL IN; Radio Frequency Rating: 7.0 MEGAHERTZ MINIMUM AND 17.5 MEGAHERTZ MAXIMUM; Overall Length: 6.000 INCHES NOMINAL IN; Overall Width: 4.600 INCHES NOMINAL IN. 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 5985-00-855-1231 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.