The Switch,waveguide, cataloged under National Stock Number 5985-00-177-7119, 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 23 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5985-00-177-7119 |
| Primary Part Number | 33D20500 |
| Item Name | Switch,waveguide |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | K&l Microwave Llc |
| Status | ACTIVE |
| Waveguide Flange Type | COVER |
| Switching Time | 100.0 MILLISECONDS MS |
| Body Style | RECTANGULAR |
| Actuator Voltage in Volts | 115.0 NOMINAL |
| Voltage Standing Wave Ratio | 1.10 SINGLE |
| Switch Return Mechanism Type | FAIL-SAFE |
| Actuator Current Type and Rating in Amps | 0.5 AC NOMINAL |
| Coupling Position Quantity | 4 |
| Minimum Crosstalk Rating in Decibels | 60.0 SINGLE |
| Switch Type | TRANSFER |
| Insertion Loss in Decibels | 0.10 SINGLE |
| Actuator Operating Method | RELAY |
| Surface Treatment | CHROMATE AND ENAMEL BODY OUTSIDE SURFACES |
| Surface Treatment | CHROMATE AND ENAMEL FLANGE(S) OUTSIDE SURFACES |
| Operating Temp Range | -54.0 TO 95.0 CELSIUS DEGC |
| Frequency Rating | 8.2 GIGAHERTZ MINIMUM AND 12.4 GIGAHERTZ MAXIMUM SINGLE FREQUENCY CROSSTALK REFERENCE |
| Frequency Rating | 8.2 GIGAHERTZ MINIMUM AND 12.4 GIGAHERTZ MAXIMUM SINGLE FREQUENCY INSERTION LOSS REFERENCE |
| Frequency Rating | 8.2 GIGAHERTZ MINIMUM AND 12.4 GIGAHERTZ MAXIMUM SINGLE FREQUENCY OPERATING |
| Frequency Rating | 8.2 GIGAHERTZ MINIMUM AND 12.4 GIGAHERTZ MAXIMUM SINGLE FREQUENCY VOLTAGE STANDING WAVE RATIO |
| Material | ALUMINUM ALLOY BODY |
| Material | ALUMINUM ALLOY FLANGE(S) |
| Flange Connecting Facility and Quantity | 4 THREADED HOLE(S) |
| Terminal Type and Quantity | 1 CONNECTOR, RECEPTACLE |
| 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 |
| Part Number | Manufacturer |
|---|---|
| 33D20500 | K&l Microwave Llc (USA) |
| Reference | Meaning |
|---|---|
| 33D20500 | 5/9 Secondary reference U.S. Government activity |
| 927038-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5985-00-177-7119 is a Switch,waveguide, manufactured by K&l Microwave Llc, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-00-177-7119 has 1 manufacturer part number on file: 33D20500 (K&l Microwave Llc).
1 possible match (shared part number, not a government interchangeability claim): 5998-01-163-7718. Verify interchangeability with system specifications before substitution.
Key specifications for 33D20500: Waveguide Flange Type: COVER; Switching Time: 100.0 MILLISECONDS MS; Overall Height: 3.820 INCHES MAXIMUM IN; Body Style: RECTANGULAR. 23 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 5985-00-177-7119 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.