The Attenuator,variable, cataloged under National Stock Number 5985-01-018-2383, 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 Nec America Inc. Government technical data includes 10 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-018-2383 |
| Primary Part Number | A012-131 |
| Item Name | Attenuator,variable |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Nec America Inc |
| Status | ACTIVE |
| Impedance Rating in Ohms | 600.0 INPUT-OUTPUT |
| Mounting Facility Type and Quantity | 1 PRINTED CIRCUIT |
| Frequency Range | 0.000 HERTZ MINIMUM AND 10.000 KILOHERTZ MAXIMUM |
| Body Style | COAXIAL TYPE |
| Adjustment Device Type and Quantity | 1 KNOB W/DIAL |
| Overall Attenuation Range in Decibels | +0.5 TO 8.0 |
| Attenuation Variation Method | CONTINUOUS |
| Schematic Diagram Designator | UNBALANCED "PI" |
| Application Design | AUDIO |
| Terminal Type and Quantity | 4 PIN |
| 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 |
|---|---|
| A012-131 PRIMARY | Nec America Inc (USA) |
NSN 5985-01-018-2383 is a Attenuator,variable, manufactured by Nec America Inc, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-018-2383 has 1 manufacturer part number on file: A012-131 (Nec America Inc).
Key specifications for A012-131: Impedance Rating in Ohms: 600.0 INPUT-OUTPUT; Mounting Facility Type and Quantity: 1 PRINTED CIRCUIT; Frequency Range: 0.000 HERTZ MINIMUM AND 10.000 KILOHERTZ MAXIMUM; Body Style: COAXIAL TYPE. 10 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.