The Mixer,crystal,waveguide, cataloged under National Stock Number 5985-01-219-9563, 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 Microwave Development Laboratories, Inc. Dba Microwave Development Laboratories Inc. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Item Name | Mixer,crystal,waveguide |
| FSC / FSG | 5985 — Antennas, Waveguides, and Related Equipment (FSG 59) |
| Manufacturers | Thales Nederland (CAGE H0203); Microwave Development Laboratories, Inc. Dba Microwave Development Laboratories Inc (CAGE 01456) |
| Parameter | Value |
|---|---|
| NSN | 5985-01-219-9563 |
| Primary Part Number | 90MF139 |
| Item Name | Mixer,crystal,waveguide |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Microwave Development Laboratories, Inc. Dba Microwave Development Laboratories Inc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Part Number | Manufacturer |
|---|---|
| 3522 500 22416 | Thales Nederland (NLD) |
| MDL90MF139 | Microwave Development Laboratories, Inc. Dba Microwave Development Laboratories Inc (USA) |
| 90MF139 PRIMARY | Microwave Development Laboratories, Inc. Dba Microwave Development Laboratories Inc (USA) |
NSN 5985-01-219-9563 is a Mixer,crystal,waveguide, manufactured by Microwave Development Laboratories, Inc. Dba Microwave Development Laboratories Inc, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-219-9563 has 3 manufacturer part numbers on file: 3522 500 22416 (Thales Nederland), MDL90MF139 (Microwave Development Laboratories, Inc. Dba Microwave Development Laboratories Inc), 90MF139 (Microwave Development Laboratories, Inc. Dba Microwave Development Laboratories Inc).
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 5985-01-219-9563 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.