The Coupler,directional, cataloged under National Stock Number 5985-01-026-2029, 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 Marc Alan Group the, Inc. Government technical data includes 4 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-026-2029 |
| Primary Part Number | 4871-10 |
| Item Name | Coupler,directional |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Marc Alan Group the, Inc |
| Status | ACTIVE |
| Power Loss in Decibels | 1.0 |
| Design Type | BIDIRECTIONAL |
| Radio Frequency Rating | 0.4 GIGAHERTZ MINIMUM AND 12.5 GIGAHERTZ MAXIMUM |
| Unit Type | COAXIAL 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 |
|---|---|
| 4871-10 PRIMARY | Marc Alan Group the, Inc (USA) |
| 247AS-C2348-002 | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
NSN 5985-01-026-2029 is a Coupler,directional, manufactured by Marc Alan Group the, Inc, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-026-2029 has 2 manufacturer part numbers on file: 4871-10 (Marc Alan Group the, Inc), 247AS-C2348-002 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier).
Key specifications for 4871-10: Overall Height: 1.250 INCHES NOMINAL IN; Power Loss in Decibels: 1.0; Design Type: BIDIRECTIONAL; Radio Frequency Rating: 0.4 GIGAHERTZ MINIMUM AND 12.5 GIGAHERTZ MAXIMUM. 4 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 5985-01-026-2029 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.