The Switch,radio Frequency Transmiss, cataloged under National Stock Number 5985-01-208-9917, 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 Alpha Industries Inc Advanced Products Div. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Switch,radio Frequency Transmiss |
| FSC / FSG | 5985 — Antennas, Waveguides, and Related Equipment (FSG 59) |
| Manufacturers | Alpha Industries Inc Advanced Products Div (CAGE 53536) |
| Parameter | Value |
|---|---|
| NSN | 5985-01-208-9917 |
| Primary Part Number | MT8640-93 |
| Item Name | Switch,radio Frequency Transmiss |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Alpha Industries Inc Advanced Products Div |
| Status | ACTIVE |
| 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 |
|---|---|
| MT8640-93 PRIMARY | Alpha Industries Inc Advanced Products Div (USA) |
| Reference | Meaning |
|---|---|
| 312237-001 | 1/2 Source control — Government-approved source U.S. Government activity |
NSN 5985-01-208-9917 is a Switch,radio Frequency Transmiss, manufactured by Alpha Industries Inc Advanced Products Div, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-208-9917 has 1 manufacturer part number on file: MT8640-93 (Alpha Industries Inc Advanced Products Div).
1 possible match (shared part number, not a government interchangeability claim): 5985-01-306-0478. Verify interchangeability with system specifications before substitution.
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 5985-01-208-9917 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.