The Mixer,crystal,coaxial, cataloged under National Stock Number 5985-01-139-5576, 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 Crane Electronics, Inc. Government technical data includes 3 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through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-139-5576 |
| Primary Part Number | MX12091 |
| Item Name | Mixer,crystal,coaxial |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Crane Electronics, Inc |
| Status | ACTIVE |
| FSC Application Data | ANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT |
| Frequency Range Rating | +428.0 TO 500.0 MEGAHERTZ |
| Insertion Loss in Decibels | 30.0 |
| 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 |
|---|---|
| MX12091 | Crane Electronics, Inc (USA) |
| Reference | Meaning |
|---|---|
| M14HB | 5/9 Secondary reference Watkins-Johnson Co |
| MX2091 | 5/9 Secondary reference Crane Electronics, Inc. Dba Stc Microwave Systems Div Signal Technology Corporation |
| M14HB | 5/9 Secondary reference Crane Electronics, Inc. Dba Stc Microwave Systems Div Signal Technology Corporation |
| 927068-2B | 3/2 Design control — primary reference U.S. Government activity |
| MX12091 | 5/9 Secondary reference Fei Microwave Inc |
| MX12091 | 5/9 Secondary reference Crane Electronics, Inc. Dba Stc Microwave Systems Div Signal Technology Corporation |
NSN 5985-01-139-5576 is a Mixer,crystal,coaxial, manufactured by Crane Electronics, Inc, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-139-5576 has 1 manufacturer part number on file: MX12091 (Crane Electronics, Inc).
Key specifications for MX12091: FSC Application Data: ANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT; Overall Length: 1.370 INCHES NOMINAL IN; Overall Width: 1.000 INCHES NOMINAL IN; Frequency Range Rating: +428.0 TO 500.0 MEGAHERTZ. 3 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 5985-01-139-5576 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.