The Coupler,antenna, cataloged under National Stock Number 5985-01-222-6451, 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 1 specification, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-222-6451 |
| Primary Part Number | 261D1581 |
| 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 |
| Radio Frequency Rating | 108.0 MEGAHERTZ MINIMUM AND 118.0 MEGAHERTZ MAXIMUM |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 261D1581 PRIMARY | L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products (USA) |
| DMN4-17-10 | L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products (USA) |
| Reference | Meaning |
|---|---|
| 210C945115-1 | 7/2 Vendor item drawing reference Northrop Grumman Systems Corporation |
NSN 5985-01-222-6451 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 5985-01-222-6451 has 2 manufacturer part numbers on file: 261D1581 (L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products), DMN4-17-10 (L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products).
Key specifications for 261D1581: Radio Frequency Rating: 108.0 MEGAHERTZ MINIMUM AND 118.0 MEGAHERTZ MAXIMUM; Overall Length: 2.750 INCHES NOMINAL IN; Overall Width: 1.310 INCHES NOMINAL IN; End Item Identification: T46A TRAINER AIRCRAFT. 1 specification is 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.
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.