The Circulator,radio Frequency, cataloged under National Stock Number 5985-01-256-2547, 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 1 specification, 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-256-2547 |
| Primary Part Number | CKUH121 |
| Item Name | Circulator,radio Frequency |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Raytheon Company Dba Raytheon Co |
| Status | ACTIVE |
| Frequency Range Rating | +348.0 TO 372.0 GIGAHERTZ |
| 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 |
|---|---|
| CKUH121 | Raytheon Company (USA) |
| CKUH121 PRIMARY | Raytheon Company Dba Raytheon Co (USA) |
| Reference | Meaning |
|---|---|
| 8K604-S011 | 5/9 Secondary reference U.S. Government activity |
| CKUH112 | 5/9 Secondary reference Neopost Ltd |
| 2711334-1 | 1/2 Source control — Government-approved source U.S. Government activity |
| CKUH121 | 5/9 Secondary reference Raytheon Company Div Corp |
NSN 5985-01-256-2547 is a Circulator,radio Frequency, manufactured by Raytheon Company Dba Raytheon Co, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-256-2547 has 2 manufacturer part numbers on file: CKUH121 (Raytheon Company), CKUH121 (Raytheon Company Dba Raytheon Co).
Key specifications for CKUH121: Frequency Range Rating: +348.0 TO 372.0 GIGAHERTZ; End Item Identification: LANTIRN NAV POD. 1 specification is 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 5985-01-256-2547 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.