The Switch,waveguide, cataloged under National Stock Number 5985-00-402-8154, 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 E and M Laboratories Div of Trak Microwave Corp. Government technical data includes 18 specifications, cited from the U.S. Government catalog. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-00-402-8154 |
| Primary Part Number | KU36S |
| Item Name | Switch,waveguide |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | E and M Laboratories Div of Trak Microwave Corp |
| Status | ACTIVE |
| Waveguide Flange Type | COVER |
| Switching Time | 20.0 MILLISECONDS MS |
| Actuator Voltage in Volts | 18.0 MINIMUM AND 30.0 MAXIMUM |
| Switch Return Mechanism Type | LATCHING |
| Actuator Current Type and Rating in Amps | 2.0 DC NOMINAL |
| Features Provided | OPEN OFF CIRCUIT TERMINATION |
| Coupling Position Quantity | 4 |
| Nominal Thread Size | 0.138 INCHES MOUNTING FACILITY HOLE IN |
| Nominal Thread Size | 0.138 INCHES FLANGE CONNECTION FACILITY HOLE IN |
| Minimum Crosstalk Rating in Decibels | 40.0 SINGLE |
| Switch Type | TRANSFER |
| Insertion Loss in Decibels | 0.20 SINGLE |
| Actuator Operating Method | RELAY |
| Operating Temp Range | -54.0 TO 71.0 CELSIUS DEGC |
| Flange Connecting Facility and Quantity | 4 THREADED HOLE(S) |
| Terminal Type and Quantity | 3 TURRET AND 4 RECTANGULAR FLANGE |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) MOUNTING FACILITY HOLE |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) FLANGE CONNECTION FACILITY HOLE |
| 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 |
|---|---|
| KU36S PRIMARY | E and M Laboratories Div of Trak Microwave Corp (USA) |
| Reference | Meaning |
|---|---|
| 203371-000 | 1/2 Source control — Government-approved source U.S. Government activity |
NSN 5985-00-402-8154 is a Switch,waveguide, manufactured by E and M Laboratories Div of Trak Microwave Corp, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-00-402-8154 has 1 manufacturer part number on file: KU36S (E and M Laboratories Div of Trak Microwave Corp).
Key specifications for KU36S: Waveguide Flange Type: COVER; Switching Time: 20.0 MILLISECONDS MS; Overall Height: 1.937 INCHES NOMINAL IN; Actuator Voltage in Volts: 18.0 MINIMUM AND 30.0 MAXIMUM. 18 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 5985-00-402-8154 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.