The Coupler,rotary,radio Frequency, cataloged under National Stock Number 5985-01-500-8331, is classified within Federal Supply Class 5985 (Antennas, Waveguides, and Related Equipment) of the Electrical and Electronic Equipment Components group. Government technical data includes 2 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5985-01-500-8331 |
| Item Name | Coupler,rotary,radio Frequency |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Status | ACTIVE |
| Overall Diameter | 7.930 INCHES NOMINAL IN |
| Criticality Code Justification | AGAV |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | Y |
| Reference | Meaning |
|---|---|
| 22088 | 3/9 Design control — primary reference Kevlin Corporation Dba Cobham Sensor Systems Div Kevlin Division |
| 22088 | C/1 Advisory reference — outside the item-of-supply concept Frontgrade Technologies Inc. |
NSN 5985-01-500-8331 is a Coupler,rotary,radio Frequency, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
Key specifications for 5985-01-500-8331: Overall Diameter: 7.930 INCHES NOMINAL IN; Criticality Code Justification: AGAV; Special Features: INAVY - ROTARY JOINT, RF EL OUTLINE 2 CHANNEL; End Item Identification: PATROL AIRCRAFT P3C. 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.
NSN 5985-01-500-8331 has DEMIL Code B. 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.