The Attenuator,variable, cataloged under National Stock Number 5985-00-452-2228, is classified within Federal Supply Class 5985 (Antennas, Waveguides, and Related Equipment) of the Electrical and Electronic Equipment Components group. Government technical data includes 23 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-00-452-2228 |
| Item Name | Attenuator,variable |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Status | ACTIVE |
| Shaft Type | ROUND |
| Bushing Length | 0.781 INCHES MINIMUM AND 0.843 INCHES MAXIMUM IN |
| Impedance Rating in Ohms | 600.0 INPUT-OUTPUT |
| Body Diameter | 2.250 INCHES NOMINAL IN |
| Mounting Facility Type and Quantity | 1 THREADED BUSHING |
| Frequency Range | 0.000 KILOHERTZ MINIMUM AND 20.000 KILOHERTZ MAXIMUM |
| Shaft Diameter | 0.248 INCHES MINIMUM AND 0.249 INCHES MAXIMUM IN |
| Body Style | CYLINDRICAL W/SIDE TERMINALS |
| Adjustment Device Type and Quantity | 1 SHAFT |
| Overall Attenuation Range in Decibels | +0.0 TO 20.0 |
| Mounting Facility Screw Thread Series Designator | UNEF |
| Overall Attenuation Accuracy in Decibels | -0.20 TO 0.20 |
| Attenuation Per Step in Decibels | 1.0 |
| Attenuation Variation Method | STEPPED |
| Schematic Diagram Designator | "T" |
| Mounting Thread Quantity | 32 PER INCH |
| Shaft Length | 0.407 INCHES MINIMUM AND 0.469 INCHES MAXIMUM IN |
| Body Length | 2.060 INCHES NOMINAL IN |
| Mounting Facility Nominal Screw Thread Diameter | 0.375 INCHES IN |
| Application Design | AUDIO |
| Terminal Type and Quantity | 3 TAB, SOLDER LUG |
| Power Rating | 600.0 MILLIWATTS AVERAGE |
| Step Position Quantity | 20 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| A.8117 | C/1 Advisory reference — outside the item-of-supply concept Multi-Tech Industries Inc. |
| 41050083-000 | 3/2 Design control — primary reference U.S. Government activity |
| A.8117 | 5/9 Secondary reference U.S. Government activity |
| 41050083 | 5/9 Secondary reference U.S. Government activity |
NSN 5985-00-452-2228 is a Attenuator,variable, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
2 possible matches (shared part number, not a government interchangeability claim): 3120-00-817-9842, 3010-00-941-0334. Verify interchangeability with system specifications before substitution.
Key specifications for 5985-00-452-2228: Shaft Type: ROUND; Bushing Length: 0.781 INCHES MINIMUM AND 0.843 INCHES MAXIMUM IN; Impedance Rating in Ohms: 600.0 INPUT-OUTPUT; Body Diameter: 2.250 INCHES NOMINAL IN. 23 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.