The Diplexer, cataloged under National Stock Number 5985-01-398-4892, 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 General Dynamics Mission Systems, Inc. Dba Gdms. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-398-4892 |
| Primary Part Number | 25-P39145N001 |
| Item Name | Diplexer |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | General Dynamics Mission Systems, Inc. Dba Gdms |
| Status | ACTIVE |
| Operating Frequency | 225.0 MEGAHERTZ MINIMUM 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 |
|---|---|
| 25-P39145N001 PRIMARY | General Dynamics Mission Systems, Inc. Dba Gdms (USA) |
| Reference | Meaning |
|---|---|
| 25-P39145N001 | 5/9 Secondary reference U.S. Government activity |
NSN 5985-01-398-4892 is a Diplexer, manufactured by General Dynamics Mission Systems, Inc. Dba Gdms, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-398-4892 has 1 manufacturer part number on file: 25-P39145N001 (General Dynamics Mission Systems, Inc. Dba Gdms).
Key specifications for 25-P39145N001: Operating Frequency: 225.0 MEGAHERTZ MINIMUM LOCATION NOT OTHERWISE SPECIFIED; Transmission Line Type: COAXIAL CABLE. 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.