The Coupler,directional, cataloged under National Stock Number 5985-01-308-2120, 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 Microwave Components & Systems, Inc.. Government technical data includes 4 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-308-2120 |
| Primary Part Number | 2591-0000 |
| Item Name | Coupler,directional |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Microwave Components & Systems, Inc. |
| Status | ACTIVE |
| Power Loss in Decibels | 0.1 |
| Design Type | BIDIRECTIONAL |
| Radio Frequency Rating | 12.8 GIGAHERTZ NOMINAL AND 15.2 GIGAHERTZ NOMINAL |
| Unit Type | WAVEGUIDE |
| 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 |
|---|---|
| 2591-0000 PRIMARY | Microwave Components & Systems, Inc. (USA) |
| Reference | Meaning |
|---|---|
| SC5985-0114 | 7/9 Vendor item drawing reference Drs Icas, Llc |
NSN 5985-01-308-2120 is a Coupler,directional, manufactured by Microwave Components & Systems, Inc., classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-308-2120 has 1 manufacturer part number on file: 2591-0000 (Microwave Components & Systems, Inc.).
Key specifications for 2591-0000: Power Loss in Decibels: 0.1; Design Type: BIDIRECTIONAL; Radio Frequency Rating: 12.8 GIGAHERTZ NOMINAL AND 15.2 GIGAHERTZ NOMINAL; Unit Type: WAVEGUIDE. 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 5985-01-308-2120 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.