The Coupler,directional, cataloged under National Stock Number 5985-01-565-2777, 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 Keysight Technologies 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5985-01-565-2777 |
| Primary Part Number | 11636C |
| Item Name | Coupler,directional |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Keysight Technologies Inc |
| Status | ACTIVE |
| Power Loss in Decibels | 8.5 |
| Design Type | BIDIRECTIONAL |
| Radio Frequency Rating | 50.0 GIGAHERTZ MAXIMUM |
| 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 |
|---|---|
| 11636C PRIMARY | Keysight Technologies Inc (USA) |
| Reference | Meaning |
|---|---|
| 11636C | 3/9 Design control — primary reference Keysight Technologies, Inc. |
NSN 5985-01-565-2777 is a Coupler,directional, manufactured by Keysight Technologies Inc, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-565-2777 has 1 manufacturer part number on file: 11636C (Keysight Technologies Inc).
Key specifications for 11636C: Power Loss in Decibels: 8.5; Design Type: BIDIRECTIONAL; Radio Frequency Rating: 50.0 GIGAHERTZ MAXIMUM; Unit Type: TRANSMISSION LINE. 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.
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.