The Coupler,antenna, cataloged under National Stock Number 5985-01-077-1513, 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 L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 5 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-077-1513 |
| Primary Part Number | DMH21-1 |
| Item Name | Coupler,antenna |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products |
| Status | ACTIVE |
| Terminal Quantity | 3 |
| Terminal Type | CONNECTOR |
| Tuning Type | FIXED |
| Power Rating | 108.0 MEGAWATTS MINIMUM AND 335.3 MEGAWATTS MAXIMUM |
| Mounting Configuration | TWO 0.203 IN. DIA. MTG HOLES ON 2.375 IN. MTG CTR IN |
| Coupling Method | ELECTRONIC |
| Material | ALUMINUM BODY |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| S345A50T1001 | Airbus Helicopters (ets De Marignane) (FRA) |
| 704A35-3410-01 | Airbus Helicopters (ets De Marignane) (FRA) |
| 706A35341001 | Airbus Helicopters (ets De Marignane) (FRA) |
| DMH21-1 | Aero Stock (FRA) |
| DMH21-1 PRIMARY | L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products (USA) |
| Reference | Meaning |
|---|---|
| DMH21-1 | 5/9 Secondary reference U.S. Government activity |
| DMH21-1 | 5/1 Secondary reference Airbus Group Supply & Services, Inc. |
NSN 5985-01-077-1513 is a Coupler,antenna, manufactured by L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-077-1513 has 5 manufacturer part numbers on file: S345A50T1001 (Airbus Helicopters (ets De Marignane)), 704A35-3410-01 (Airbus Helicopters (ets De Marignane)), 706A35341001 (Airbus Helicopters (ets De Marignane)), DMH21-1 (Aero Stock), DMH21-1 (L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products).
1 possible match (shared part number, not a government interchangeability claim): 5985-01-295-9511. Verify interchangeability with system specifications before substitution.
Key specifications for DMH21-1: Overall Height: 1.030 INCHES NOMINAL IN; Terminal Quantity: 3; Terminal Type: CONNECTOR; Overall Length: 2.875 INCHES NOMINAL IN. 7 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 5985-01-077-1513 has DEMIL Code Q. 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.