The Coupler,antenna, cataloged under National Stock Number 5985-01-077-0859, 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 Rockwell Intl Corp Collins General Aviation Costa Mesa Opns. 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-077-0859 |
| Primary Part Number | HEN20-315 |
| Item Name | Coupler,antenna |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Rockwell Intl Corp Collins General Aviation Costa Mesa Opns |
| Status | ACTIVE |
| Terminal Quantity | 4 |
| Terminal Type | COAXIAL |
| Radio Frequency Rating | 30.0 MEGAHERTZ MINIMUM AND 76.0 MEGAHERTZ MAXIMUM |
| Mounting Configuration | FOUR 0.174 IN. MIN. DIA. HOLES ON 4.125 IN. BY 1.500 IN. MTG. CTR IN |
| 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 |
|---|---|
| HEN20-315 PRIMARY | Rockwell Intl Corp Collins General Aviation Costa Mesa Opns (USA) |
NSN 5985-01-077-0859 is a Coupler,antenna, manufactured by Rockwell Intl Corp Collins General Aviation Costa Mesa Opns, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-077-0859 has 1 manufacturer part number on file: HEN20-315 (Rockwell Intl Corp Collins General Aviation Costa Mesa Opns).
Key specifications for HEN20-315: Overall Height: 1.119 INCHES NOMINAL IN; Terminal Quantity: 4; Terminal Type: COAXIAL; Radio Frequency Rating: 30.0 MEGAHERTZ MINIMUM AND 76.0 MEGAHERTZ MAXIMUM. 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 5985-01-077-0859 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.