The Switch,waveguide, cataloged under National Stock Number 5985-00-931-2564, 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 15 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-00-931-2564 |
| Primary Part Number | 201773P1 |
| 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 |
| Switching Time | 250.0 MILLISECONDS MS |
| Actuator Voltage in Volts | 48.0 MINIMUM AND 52.0 MAXIMUM |
| Pole Quantity | 1 |
| Actuator Current Type and Rating in Amps | 1.0 DC NOMINAL |
| Coupling Position Quantity | 3 |
| Nominal Thread Size | 0.164 INCHES FLANGE CONNECTION FACILITY HOLE IN |
| Nominal Thread Size | 0.164 INCHES MOUNTING FACILITY HOLE IN |
| Minimum Crosstalk Rating in Decibels | 100.0 SINGLE |
| Switch Type | NONTRANSFER |
| Actuator Operating Method | RELAY |
| Rf Power Handling Capability | 7.0 KILOWATTS AVERAGE SINGLE |
| Flange Connecting Facility and Quantity | 12 THREADED HOLE(S) |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) MOUNTING FACILITY HOLE |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) FLANGE CONNECTION FACILITY HOLE |
| Throw Quantity | 1 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
NSN 5985-00-931-2564 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 5985-00-931-2564 has 2 manufacturer part numbers on file: 2515578-1 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 201773P1 (Microwave Development Laboratories, Inc. Dba Microwave Development Laboratories Inc).
Key specifications for 201773P1: Switching Time: 250.0 MILLISECONDS MS; Overall Height: 2.937 INCHES NOMINAL IN; Actuator Voltage in Volts: 48.0 MINIMUM AND 52.0 MAXIMUM; Pole Quantity: 1. 15 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 5985-00-931-2564 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.