The Coupler,directional, cataloged under National Stock Number 5985-01-283-5828, 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 Raytheon Company Dba Raytheon Co. Government technical data includes 6 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5985-01-283-5828 |
| Primary Part Number | 0450003-2 |
| Item Name | Coupler,directional |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Raytheon Company Dba Raytheon Co |
| Status | ACTIVE |
| FSC Application Data | ANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT |
| Unpackaged Unit Weight | 0.900 OUNCES NOMINAL OZ |
| Power Loss in Decibels | 20.0 |
| Design Type | BIDIRECTIONAL |
| Radio Frequency Rating | 6.0 GIGAHERTZ MINIMUM AND 18.0 GIGAHERTZ MAXIMUM |
| Unit Type | TRANSMISSION LINE |
| 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 |
|---|---|
| MDC21089A-20 | Dal-Tech Devices, Inc. Dba Dal-Tech Devices Inc Div Dal-Tec Devices, Inc (USA) |
| 4246B-20 | Microwave Communications Laboratories, Inc. (USA) |
| 0450003-2 PRIMARY | Raytheon Company Dba Raytheon Co (USA) |
| 0450003-2 | Raytheon Company (USA) |
| Reference | Meaning |
|---|---|
| 0450003-2 | 5/9 Secondary reference Raytheon Co ESD Long Island Div |
| 0450003-2 | 5/9 Secondary reference Raytheon Company Div Corp |
| 4246B-20 | 5/2 Secondary reference U.S. Government activity |
NSN 5985-01-283-5828 is a Coupler,directional, manufactured by Raytheon Company Dba Raytheon Co, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-283-5828 has 4 manufacturer part numbers on file: MDC21089A-20 (Dal-Tech Devices, Inc. Dba Dal-Tech Devices Inc Div Dal-Tec Devices, Inc), 4246B-20 (Microwave Communications Laboratories, Inc.), 0450003-2 (Raytheon Company Dba Raytheon Co), 0450003-2 (Raytheon Company).
1 possible match (shared part number, not a government interchangeability claim): 6220-01-478-6784. Verify interchangeability with system specifications before substitution.
Key specifications for 0450003-2: Overall Height: 1.040 INCHES NOMINAL IN; FSC Application Data: ANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT; Unpackaged Unit Weight: 0.900 OUNCES NOMINAL OZ; Power Loss in Decibels: 20.0. 6 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 5985-01-283-5828 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.