The Circulator,radio Frequency, cataloged under National Stock Number 5985-01-188-7794, 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 Div Corp. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-188-7794 |
| Primary Part Number | CKUH108 |
| Item Name | Circulator,radio Frequency |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Raytheon Company Div Corp |
| Status | ACTIVE |
| 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 |
|---|---|
| CKUH108 PRIMARY | Raytheon Company Div Corp (USA) |
| MA8K636 | Frontgrade Technologies Inc. (USA) |
| Reference | Meaning |
|---|---|
| 5186586 | 7/2 Vendor item drawing reference Naval Sea Systems Command |
| MA8K636 | 5/9 Secondary reference U.S. Government activity |
| 5985PL0987953 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 5985-01-188-7794 is a Circulator,radio Frequency, manufactured by Raytheon Company Div Corp, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-188-7794 has 2 manufacturer part numbers on file: CKUH108 (Raytheon Company Div Corp), MA8K636 (Frontgrade Technologies Inc.).
1 possible match (shared part number, not a government interchangeability claim): 5330-01-310-5263. Verify interchangeability with system specifications before substitution.
Key specifications for CKUH108: Overall Height: 1.327 INCHES MINIMUM IN; Overall Length: 1.610 INCHES MINIMUM AND 1.640 INCHES MAXIMUM IN; Overall Width: 1.297 INCHES MINIMUM AND 1.327 INCHES MAXIMUM IN; Special Features: DWG NAME, CIRCULATOR,HIGH-POWER; MATERIAL, ALUMINUM ALLOY, QQ-A-200/3, QQ-A-200/8, QQ-A-225/6, QQ-A-225/8 OR QQ-A-601 ALLOY 40E. 0 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 5985-01-188-7794 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.