The Switch,waveguide, cataloged under National Stock Number 5985-01-203-6933, 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 Sector Microwave Industries, Inc. Dba Sector Microwave Indust. Government technical data includes 16 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 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-203-6933 |
| Primary Part Number | SMC-424 |
| Item Name | Switch,waveguide |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Sector Microwave Industries, Inc. Dba Sector Microwave Indust |
| Status | ACTIVE |
| Waveguide Flange Type | CHOKE |
| Actuator Voltage in Volts | 50.0 NOMINAL |
| Actuator Current Type and Rating in Amps | 0.5 DC NOMINAL |
| Coupling Position Quantity | 3 |
| Nominal Thread Size | 0.190 INCHES FLANGE CONNECTION FACILITY HOLE IN |
| Nominal Thread Size | 0.190 INCHES MOUNTING FACILITY HOLE IN |
| Minimum Crosstalk Rating in Decibels | 60.0 SINGLE |
| Switch Type | TRANSFER |
| Actuator Operating Method | RELAY |
| Operating Temp Range | +0.0 TO 65.0 CELSIUS DEGC |
| Rf Power Handling Capability | 300.0 KILOWATTS PEAK SECOND |
| Rf Power Handling Capability | 300.0 WATTS AVERAGE FIRST |
| Flange Connecting Facility and Quantity | 8 THREADED HOLE(S) |
| Terminal Type and Quantity | 1 CONNECTOR, RECEPTACLE AND 3 CIRCULAR FLANGE |
| Thread Series Designator | UNF MOUNTING FACILITY HOLE |
| Thread Series Designator | UNF FLANGE CONNECTION FACILITY HOLE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
NSN 5985-01-203-6933 is a Switch,waveguide, manufactured by Sector Microwave Industries, Inc. Dba Sector Microwave Indust, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-203-6933 has 2 manufacturer part numbers on file: SMC-424 (Sector Microwave Industries, Inc. Dba Sector Microwave Indust), 167560 (Northrop Grumman Systems Corporation).
1 possible match (shared part number, not a government interchangeability claim): 7930-01-509-0267. Verify interchangeability with system specifications before substitution.
Key specifications for SMC-424: Waveguide Flange Type: CHOKE; Overall Height: 4.250 INCHES NOMINAL IN; Actuator Voltage in Volts: 50.0 NOMINAL; Overall Length: 7.940 INCHES NOMINAL IN. 16 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 5985-01-203-6933 has DEMIL Code Q. 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.