The Switch,waveguide, cataloged under National Stock Number 5985-00-103-0448, 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 Caes Mission Systems Llc. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-00-103-0448 |
| Primary Part Number | MD25K7 |
| Item Name | Switch,waveguide |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Caes Mission Systems Llc |
| Status | ACTIVE |
| Switching Time | 10.0 MICROSECONDS US |
| Pole Quantity | 1 |
| Nominal Thread Size | 0.112 INCHES MOUNTING FACILITY HOLE IN |
| Minimum Crosstalk Rating in Decibels | 35.0 SINGLE |
| Insertion Loss in Decibels | 1.20 SINGLE |
| Operating Temp Range | -54.0 TO 71.0 CELSIUS DEGC |
| Frequency Rating | 13.325 MEGAHERTZ NOMINAL SINGLE FREQUENCY CROSSTALK REFERENCE |
| Frequency Rating | 13.325 MEGAHERTZ NOMINAL SINGLE FREQUENCY INSERTION LOSS REFERENCE |
| Frequency Rating | 13.325 MEGAHERTZ NOMINAL SINGLE FREQUENCY OPERATING |
| Frequency Rating | 13.325 MEGAHERTZ NOMINAL SINGLE FREQUENCY RF POWER HANDLING |
| Rf Power Handling Capability | 15.0 WATTS AVERAGE FIRST |
| Rf Power Handling Capability | 30.0 WATTS PEAK SECOND |
| Material | ALUMINUM ALLOY BODY |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) MOUNTING FACILITY HOLE |
| Throw Quantity | 2 |
| 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 |
|---|---|
| MD25K7 PRIMARY | Caes Mission Systems Llc (USA) |
| G128-176-001 PRIMARY | Bae Systems Information and Electronic Systems Integration Inc. (USA) |
| Reference | Meaning |
|---|---|
| MA8320-2Z3 | 5/9 Secondary reference U.S. Government activity |
| 61763 | 5/9 Secondary reference Skyworks Solutions, Inc. |
| G128-176-001 | 5/9 Secondary reference U.S. Government activity |
NSN 5985-00-103-0448 is a Switch,waveguide, manufactured by Caes Mission Systems Llc, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-00-103-0448 has 2 manufacturer part numbers on file: MD25K7 (Caes Mission Systems Llc), G128-176-001 (Bae Systems Information and Electronic Systems Integration Inc.).
4 possible matches (shared part number, not a government interchangeability claim): 1270-00-403-8989, 5340-01-374-0393, 4320-01-508-0533. Verify interchangeability with system specifications before substitution.
Key specifications for MD25K7: Switching Time: 10.0 MICROSECONDS US; Pole Quantity: 1; Nominal Thread Size: 0.112 INCHES MOUNTING FACILITY HOLE IN; Minimum Crosstalk Rating in Decibels: 35.0 SINGLE. 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 5985-00-103-0448 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.