The Attenuator,variable, cataloged under National Stock Number 5985-01-343-5473, 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 Merrimac Industries, Inc. Government technical data includes 1 specification, 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-343-5473 |
| Primary Part Number | ARS-1/65389 |
| Item Name | Attenuator,variable |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Merrimac Industries, Inc |
| Status | ACTIVE |
| Supplementary Features | COGNIZANT SERVICE - UNITED KINGDOM ARMY |
| 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 |
|---|---|
| FC710-3007-400N | Bae Systems Maritime Services (GBR) |
| ARS-1/65389 PRIMARY | Merrimac Industries, Inc (USA) |
NSN 5985-01-343-5473 is a Attenuator,variable, manufactured by Merrimac Industries, Inc, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-343-5473 has 2 manufacturer part numbers on file: FC710-3007-400N (Bae Systems Maritime Services), ARS-1/65389 (Merrimac Industries, Inc).
Key specifications for ARS-1/65389: Supplementary Features: COGNIZANT SERVICE - UNITED KINGDOM ARMY; End Item Identification: RAPIER FSC,MERRIMAC INDUSTRIES INC. 1 specification is 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 5985-01-343-5473 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.