The Diplexer, cataloged under National Stock Number 5985-01-291-8170, 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 Stellant Systems Inc. Government technical data includes 2 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-291-8170 |
| Primary Part Number | FC8190 |
| Item Name | Diplexer |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Stellant Systems Inc |
| Status | ACTIVE |
| Operating Frequency | 10.0 MEGAHERTZ NOMINAL LOCATION NOT OTHERWISE SPECIFIED |
| Transmission Line Type | COAXIAL CABLE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| FC8190 PRIMARY | Stellant Systems Inc (USA) |
| Reference | Meaning |
|---|---|
| MUX-C-002-005-10289 | 5/9 Secondary reference Teledyne Wireless, Llc Dba Teledyne Microwave Solutions |
| 103800765 | 5/9 Secondary reference Crane Electronics, Inc. Dba Stc Microwave Systems Div Signal Technology Corporation |
| A-161909-1 | 1/2 Source control — Government-approved source U.S. Government activity |
NSN 5985-01-291-8170 is a Diplexer, manufactured by Stellant Systems Inc, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-291-8170 has 1 manufacturer part number on file: FC8190 (Stellant Systems Inc).
Key specifications for FC8190: Overall Height: 2.000 INCHES NOMINAL IN; Overall Length: 8.000 INCHES NOMINAL IN; Overall Width: 3.200 INCHES NOMINAL IN; Operating Frequency: 10.0 MEGAHERTZ NOMINAL LOCATION NOT OTHERWISE SPECIFIED. 2 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.
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.