The Switch,radio Frequency Transmiss, cataloged under National Stock Number 5985-00-032-3640, 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 Dow-Key Microwave Llc. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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.
| Item Name | Switch,radio Frequency Transmiss |
| FSC / FSG | 5985 — Antennas, Waveguides, and Related Equipment (FSG 59) |
| Manufacturers | Northrop Grumman Systems Corporation (CAGE 26512); Dow-Key Microwave Llc (CAGE 00471) |
| Parameter | Value |
|---|---|
| NSN | 5985-00-032-3640 |
| Primary Part Number | 909C73200 |
| Item Name | Switch,radio Frequency Transmiss |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Dow-Key Microwave Llc |
| Status | ACTIVE |
| 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 |
|---|---|
| 128SCSEA716-1 | Northrop Grumman Systems Corporation (USA) |
| 909C73200 PRIMARY | Dow-Key Microwave Llc (USA) |
| Reference | Meaning |
|---|---|
| 909C73200 | 5/9 Secondary reference K&l Microwave Llc |
| 909C73200 | 5/9 Secondary reference U.S. Government activity |
NSN 5985-00-032-3640 is a Switch,radio Frequency Transmiss, manufactured by Dow-Key Microwave Llc, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-00-032-3640 has 2 manufacturer part numbers on file: 128SCSEA716-1 (Northrop Grumman Systems Corporation), 909C73200 (Dow-Key Microwave Llc).
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.