The Coupler,directional, cataloged under National Stock Number 5985-01-506-4095, 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 Excalibur 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-506-4095 |
| Primary Part Number | ESI-325-003 |
| Item Name | Coupler,directional |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Excalibur Systems Inc |
| Status | ACTIVE |
| Radio Frequency Rating | 75.0 KILOHERTZ NOMINAL AND 1.0 MEGAHERTZ NOMINAL |
| Unit Type | COAXIAL LINE |
| 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 |
|---|---|
| ESI-325-003 PRIMARY | Excalibur Systems Inc (USA) |
| Reference | Meaning |
|---|---|
| ESI-325-003 | 7/2 Vendor item drawing reference L3harris Technologies, Inc. |
NSN 5985-01-506-4095 is a Coupler,directional, manufactured by Excalibur Systems Inc, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-506-4095 has 1 manufacturer part number on file: ESI-325-003 (Excalibur Systems Inc).
Key specifications for ESI-325-003: Radio Frequency Rating: 75.0 KILOHERTZ NOMINAL AND 1.0 MEGAHERTZ NOMINAL; Unit Type: COAXIAL LINE; Special Features: CABLE,COUPLER ASSEMBLY; End Item Identification: AN/ALN-289 HM. 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.
NSN 5985-01-506-4095 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.