The Coupler,transmission Line, cataloged under National Stock Number 5985-01-550-9809, 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 Phoenix Logistics, Llc. Government technical data includes 6 specifications, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5985-01-550-9809 |
| Primary Part Number | D30344-007 |
| Item Name | Coupler,transmission Line |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Phoenix Logistics, Llc |
| Status | ACTIVE |
| Overall Diameter | 0.450 INCHES MAXIMUM IN |
| Input Impedance Rating in Ohms | 77.0 |
| Radio Frequency Rating | 0.075 MEGAHERTZ MINIMUM AND 1.000 MEGAHERTZ MAXIMUM |
| Unit Type | COAXIAL LINE |
| Material | STEEL OR COPPER ALLOY |
| Output Impedance Rating in Ohms | 77.0 |
| 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 |
|---|---|
| D30344-007 PRIMARY | Phoenix Logistics, Llc (USA) |
| Reference | Meaning |
|---|---|
| NH14352-20 | 5/2 Secondary reference U.S. Government activity |
| HS5960-04-20 | 7/2 Vendor item drawing reference The Boeing Company |
NSN 5985-01-550-9809 is a Coupler,transmission Line, manufactured by Phoenix Logistics, Llc, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-550-9809 has 1 manufacturer part number on file: D30344-007 (Phoenix Logistics, Llc).
Key specifications for D30344-007: Overall Diameter: 0.450 INCHES MAXIMUM IN; Input Impedance Rating in Ohms: 77.0; Radio Frequency Rating: 0.075 MEGAHERTZ MINIMUM AND 1.000 MEGAHERTZ MAXIMUM; Overall Length: 241.500 INCHES NOMINAL IN. 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 5985-01-550-9809 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.