The Attenuator,fixed, cataloged under National Stock Number 5985-00-020-2226, 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 Us Army Aviation and Missile Command. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-00-020-2226 |
| Primary Part Number | 9986740 |
| Item Name | Attenuator,fixed |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Us Army Aviation and Missile Command |
| Status | ACTIVE |
| Mounting Hole/stud Quantity | 4 |
| Input Impedance Rating in Ohms | 50.0 |
| Mounting Method | THREADED HOLE(S) |
| Rf Signal Attenuation in Decibels | 6.0 |
| Unthreaded Mounting Hole Diameter | 0.099 INCHES NOMINAL IN |
| Application Design | TRANSMISSION LINE |
| Power Rating | 500.0 MILLIWATTS AVERAGE |
| Terminal Type and Quantity | 2 CONNECTOR |
| Output Impedance Rating in Ohms | 50.0 |
| Coaxial Connector Series Designation | BNC |
| 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 |
|---|---|
| 9986740 | Us Army Aviation and Missile Command (USA) |
| Reference | Meaning |
|---|---|
| CA213B6DB | 5/9 Secondary reference Arrowsmith Shelburne Inc |
| FXR308-10036 | 3/9 Design control — primary reference Arrowsmith Shelburne Inc |
NSN 5985-00-020-2226 is a Attenuator,fixed, manufactured by Us Army Aviation and Missile Command, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-00-020-2226 has 1 manufacturer part number on file: 9986740 (Us Army Aviation and Missile Command).
Key specifications for 9986740: Overall Height: 1.156 INCHES NOMINAL IN; Mounting Hole/stud Quantity: 4; Input Impedance Rating in Ohms: 50.0; Mounting Method: THREADED HOLE(S). 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.