The Switch,waveguide, cataloged under National Stock Number 5985-00-450-1709, 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 Development Laboratories, Inc. Dba Microwave Development Laboratories Inc. Government technical data includes 10 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-00-450-1709 |
| Primary Part Number | C20-2057P1 |
| Item Name | Switch,waveguide |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Microwave Development Laboratories, Inc. Dba Microwave Development Laboratories Inc |
| Status | ACTIVE |
| Actuator Voltage in Volts | 50.0 NOMINAL |
| Pole Quantity | 3 |
| Actuator Current Type and Rating in Amps | 1.3 DC NOMINAL |
| Minimum Crosstalk Rating in Decibels | 60.0 SINGLE |
| Switch Type | NONTRANSFER |
| Actuator Operating Method | RELAY |
| Operating Temp Range | -28.0 TO 65.0 CELSIUS DEGC |
| Rf Power Handling Capability | 10.0 KILOWATTS AVERAGE FIRST |
| Rf Power Handling Capability | 300.0 KILOWATTS PEAK SECOND |
| Throw Quantity | 2 |
| 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 |
|---|---|
| C20-2057P1 PRIMARY | Microwave Development Laboratories, Inc. Dba Microwave Development Laboratories Inc (USA) |
| 2666278-1 | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| Reference | Meaning |
|---|---|
| 13849-1 | 5/9 Secondary reference Lucas Aerospace Communications and Electronics Inc |
NSN 5985-00-450-1709 is a Switch,waveguide, manufactured by Microwave Development Laboratories, Inc. Dba Microwave Development Laboratories Inc, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-00-450-1709 has 2 manufacturer part numbers on file: C20-2057P1 (Microwave Development Laboratories, Inc. Dba Microwave Development Laboratories Inc), 2666278-1 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
Key specifications for C20-2057P1: Actuator Voltage in Volts: 50.0 NOMINAL; Pole Quantity: 3; Actuator Current Type and Rating in Amps: 1.3 DC NOMINAL; Minimum Crosstalk Rating in Decibels: 60.0 SINGLE. 10 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 5985-00-450-1709 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.