The Diplexer, cataloged under National Stock Number 5985-01-527-4843, 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 Keyw Corporation. Government technical data includes 4 specifications, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5985-01-527-4843 |
| Primary Part Number | 500020-02 |
| Item Name | Diplexer |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | The Keyw Corporation |
| Status | ACTIVE |
| DC Voltage Rating | 28.0 VOLTS NOMINAL LOCATION NOT OTHERWISE SPECIFIED |
| Operating Frequency | 240.0 MEGAHERTZ MINIMUM AND 320.0 MEGAHERTZ MAXIMUM LOCATION NOT OTHERWISE SPECIFIED |
| Transmission Line Type | COAXIAL CABLE |
| Reference Number Differentiating Characteristics | DIFFERENTIATED BY CHARACTERISTICS |
| 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 |
|---|---|
| 002158-01 | Bae Systems Technology Solutions & Services Inc. (USA) |
| 500020-02 | The Keyw Corporation (USA) |
| Reference | Meaning |
|---|---|
| 7981-2 | 5/9 Secondary reference Windermere Information Technology Systems Llc |
| 7981-2 | 5/9 Secondary reference Northrop Grumman Systems Corp |
NSN 5985-01-527-4843 is a Diplexer, manufactured by The Keyw Corporation, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-527-4843 has 2 manufacturer part numbers on file: 002158-01 (Bae Systems Technology Solutions & Services Inc.), 500020-02 (The Keyw Corporation).
1 possible match (shared part number, not a government interchangeability claim): 5995-01-669-8403. Verify interchangeability with system specifications before substitution.
Key specifications for 500020-02: Overall Height: 13.000 INCHES NOMINAL IN; DC Voltage Rating: 28.0 VOLTS NOMINAL LOCATION NOT OTHERWISE SPECIFIED; Overall Width: 16.500 INCHES NOMINAL IN; Operating Frequency: 240.0 MEGAHERTZ MINIMUM AND 320.0 MEGAHERTZ MAXIMUM LOCATION NOT OTHERWISE SPECIFIED. 4 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 5985-01-527-4843 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.