The Circulator,radio Frequency, cataloged under National Stock Number 5985-01-055-5524, 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 Raytheon Company Dba Raytheon Co. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-055-5524 |
| Primary Part Number | CKEM16 |
| Item Name | Circulator,radio Frequency |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Raytheon Company Dba Raytheon Co |
| Status | ACTIVE |
| Flange Quantity | 3 |
| Connection Method | FLANGE PLATE |
| Frequency Range Rating | +15.4 TO 15.7 GIGAHERTZ |
| Flange Connection Facility Quantity | 4 |
| 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 |
|---|---|
| CKEM16 | Raytheon Company Dba Raytheon Co (USA) |
| 8K560 | Te Connectivity Corporation (USA) |
| CKEM16 | Raytheon Company (USA) |
| Reference | Meaning |
|---|---|
| 8K560 | 5/9 Secondary reference U.S. Government activity |
| CKEM16 | 5/9 Secondary reference Raytheon Company Div Corp |
| A200E109-101 | 3/2 Design control — primary reference U.S. Government activity |
| 8K560 | 5/9 Secondary reference M/a-Com Inc |
NSN 5985-01-055-5524 is a Circulator,radio Frequency, manufactured by Raytheon Company Dba Raytheon Co, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-055-5524 has 3 manufacturer part numbers on file: CKEM16 (Raytheon Company Dba Raytheon Co), 8K560 (Te Connectivity Corporation), CKEM16 (Raytheon Company).
Key specifications for CKEM16: Overall Height: 1.300 INCHES NOMINAL IN; Flange Quantity: 3; Connection Method: FLANGE PLATE; Overall Length: 1.700 INCHES NOMINAL IN. 4 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 5985-01-055-5524 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.