The Switch,waveguide, cataloged under National Stock Number 5985-01-039-8434, 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 K&l Microwave Llc. Government technical data includes 13 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5985-01-039-8434 |
| Primary Part Number | 33D00300 |
| Item Name | Switch,waveguide |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | K&l Microwave Llc |
| Status | ACTIVE |
| Waveguide Flange Type | CHOKE |
| Switching Time | 100.0 MILLISECONDS MS |
| Actuator Voltage in Volts | 28.0 NOMINAL |
| Switch Return Mechanism Type | FAIL-SAFE |
| Actuator Current Type and Rating in Amps | 0.5 DC NOMINAL |
| Coupling Position Quantity | 2 |
| Minimum Crosstalk Rating in Decibels | 60.0 SINGLE |
| Switch Type | TRANSFER |
| Insertion Loss in Decibels | 0.20 SINGLE |
| Actuator Operating Method | RELAY |
| Operating Temp Range | -65.0 TO 203.0 FAHRENHEIT DEGF |
| Flange Connecting Facility and Quantity | 4 UNTHREADED HOLE(S) |
| Terminal Type and Quantity | 1 RECTANGULAR FLANGE AND 1 CONNECTOR, RECEPTACLE |
| 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 |
|---|---|
| 33D00300 PRIMARY | K&l Microwave Llc (USA) |
| Reference | Meaning |
|---|---|
| 33D00300 | 5/9 Secondary reference U.S. Government activity |
NSN 5985-01-039-8434 is a Switch,waveguide, manufactured by K&l Microwave Llc, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-039-8434 has 1 manufacturer part number on file: 33D00300 (K&l Microwave Llc).
Key specifications for 33D00300: Waveguide Flange Type: CHOKE; Switching Time: 100.0 MILLISECONDS MS; Overall Height: 0.937 INCHES NOMINAL IN; Actuator Voltage in Volts: 28.0 NOMINAL. 13 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 5985-01-039-8434 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.