The Coupler,transmission Line, cataloged under National Stock Number 5985-01-540-9259, 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 5 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-540-9259 |
| Primary Part Number | D31862-005 |
| Item Name | Coupler,transmission Line |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Phoenix Logistics, Llc |
| Status | ACTIVE |
| Overall Diameter | 0.950 INCHES MAXIMUM IN |
| Input Impedance Rating in Ohms | 59.0 |
| Unit Type | TRANSMISSION LINE |
| Material | STEEL OR COPPER ALLOY |
| Output Impedance Rating in Ohms | 77.0 |
| 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 |
|---|---|
| D31862-005 PRIMARY | Phoenix Logistics, Llc (USA) |
| Reference | Meaning |
|---|---|
| HS5960-02-20-20 | 7/2 Vendor item drawing reference The Boeing Company |
| HS5960-02-20-20 | 5/2 Secondary reference U.S. Government activity |
| D31862-005 | 5/9 Secondary reference Phoenix Engineering & Logistics, Inc. |
NSN 5985-01-540-9259 is a Coupler,transmission Line, manufactured by Phoenix Logistics, Llc, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-540-9259 has 1 manufacturer part number on file: D31862-005 (Phoenix Logistics, Llc).
Key specifications for D31862-005: Overall Diameter: 0.950 INCHES MAXIMUM IN; Input Impedance Rating in Ohms: 59.0; Overall Length: 240.000 INCHES MINIMUM IN; Unit Type: TRANSMISSION LINE. 5 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 5985-01-540-9259 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.