The Coupler,directional, cataloged under National Stock Number 5985-01-650-6461, 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 Narda Holdings, Inc. Div Dba Narda-Miteq. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-650-6461 |
| Primary Part Number | 28KA-303B-40-6-6 |
| Item Name | Coupler,directional |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Narda Holdings, Inc. Div Dba Narda-Miteq |
| Status | ACTIVE |
| Unit Type | WAVEGUIDE |
| 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 |
|---|---|
| 28KA-303B-40-6-6 PRIMARY | Narda Holdings, Inc. Div Dba Narda-Miteq (USA) |
| Reference | Meaning |
|---|---|
| 28KA-303B-40-6-6 | 3/9 Design control — primary reference Advanced Technical Materials, Inc. Dba a T M |
| 28KA-303B-DB-6-6 | 5/9 Secondary reference Advanced Technical Materials, Inc. Dba a T M |
NSN 5985-01-650-6461 is a Coupler,directional, manufactured by Narda Holdings, Inc. Div Dba Narda-Miteq, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-650-6461 has 1 manufacturer part number on file: 28KA-303B-40-6-6 (Narda Holdings, Inc. Div Dba Narda-Miteq).
Key specifications for 28KA-303B-40-6-6: Overall Length: 2.0 INCHES NOMINAL IN; Overall Width: 3.50 INCHES NOMINAL IN; Unit Type: WAVEGUIDE; Part Name Assigned by Controlling Agency: CROSSGUIDE DIRECTIONAL COUPLER. 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.