The Coupler,directional, cataloged under National Stock Number 5985-01-307-2699, 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 Merrimac Industries, Inc. Government technical data includes 2 specifications, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5985-01-307-2699 |
| Primary Part Number | C3MT-6/60069 |
| Item Name | Coupler,directional |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Merrimac Industries, Inc |
| Status | ACTIVE |
| Design Type | BIDIRECTIONAL |
| Unit Type | TRANSMISSION LINE |
| 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 |
|---|---|
| 0450003-1 | Raytheon Co ESD Long Island Div (USA) |
| C3MT-6/60069 PRIMARY | Merrimac Industries, Inc (USA) |
| Reference | Meaning |
|---|---|
| 26672 | 3/2 Design control — primary reference U.S. Government activity |
| FC3386-1 | 5/9 Secondary reference Spectrum Microwave, Inc. |
NSN 5985-01-307-2699 is a Coupler,directional, manufactured by Merrimac Industries, Inc, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-307-2699 has 2 manufacturer part numbers on file: 0450003-1 (Raytheon Co ESD Long Island Div), C3MT-6/60069 (Merrimac Industries, Inc).
1 possible match (shared part number, not a government interchangeability claim): 4320-01-345-5137. Verify interchangeability with system specifications before substitution.
Key specifications for C3MT-6/60069: Design Type: BIDIRECTIONAL; Overall Length: 3.750 INCHES NOMINAL IN; Overall Width: 0.375 INCHES NOMINAL IN; Unit Type: TRANSMISSION LINE. 2 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.
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.