The Diplexer, cataloged under National Stock Number 5985-01-269-7381, 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 The Boeing Company Div Defense. Government technical data includes 5 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-269-7381 |
| Primary Part Number | 32-878-59-5 |
| Item Name | Diplexer |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| FSC Application Data | TACAN ANTENNA |
| Transmission Line Type | COAXIAL CABLE |
| Electrical Power Source Relationship | OPERATING |
| Frequency Rating | 225.0 MEGAHERTZ MINIMUM AND 400.0 MEGAHERTZ MAXIMUM FIRST OPERATING POWER RQMT |
| Frequency Rating | 960.0 MEGAHERTZ MINIMUM AND 1220.0 MEGAHERTZ MAXIMUM SECOND OPERATING POWER RQMT |
| 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 |
|---|---|
| 7-54 | Chelton, Inc. Dba Cobham Antenna Systems Div Cobham Aerospace Connectivity (USA) |
| 7-54 | Chelton Limited Div Cobham Antennas Bu (GBR) |
| 32-878-59-5 PRIMARY | The Boeing Company Div Defense (USA) |
| Reference | Meaning |
|---|---|
| 5985PL2079387 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 5985-01-269-7381 is a Diplexer, manufactured by The Boeing Company Div Defense, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-269-7381 has 3 manufacturer part numbers on file: 7-54 (Chelton, Inc. Dba Cobham Antenna Systems Div Cobham Aerospace Connectivity), 7-54 (Chelton Limited Div Cobham Antennas Bu), 32-878-59-5 (The Boeing Company Div Defense).
Key specifications for 32-878-59-5: FSC Application Data: TACAN ANTENNA; Overall Length: 6.200 INCHES NOMINAL IN; Overall Width: 0.750 INCHES NOMINAL IN; Transmission Line Type: COAXIAL CABLE. 5 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 5985-01-269-7381 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.