The Attenuator,fixed, cataloged under National Stock Number 5985-00-899-1383, 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 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-00-899-1383 |
| Primary Part Number | 9987617-1 |
| Item Name | Attenuator,fixed |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Us Army Aviation and Missile Command |
| Status | ACTIVE |
| Frequency Range | 0.000 HERTZ MINIMUM AND 3.000 GIGAHERTZ MAXIMUM |
| Overall Diameter | 0.500 INCHES NOMINAL IN |
| Input Impedance Rating in Ohms | 93.0 |
| Mounting Method | TERMINAL |
| Rf Signal Attenuation in Decibels | 10.0 |
| Schematic Diagram Designator | UNBALANCED "PI" |
| Application Design | TRANSMISSION LINE |
| Power Rating | 2.0 WATTS AVERAGE |
| Terminal Type and Quantity | 2 CONNECTOR |
| Output Impedance Rating in Ohms | 93.0 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
NSN 5985-00-899-1383 is a Attenuator,fixed, manufactured by Us Army Aviation and Missile Command, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-00-899-1383 has 2 manufacturer part numbers on file: 9987617-1 (Us Army Aviation and Missile Command), AAA22 (Microlab/fxr Llc).
Key specifications for 9987617-1: Frequency Range: 0.000 HERTZ MINIMUM AND 3.000 GIGAHERTZ MAXIMUM; Overall Diameter: 0.500 INCHES NOMINAL IN; Input Impedance Rating in Ohms: 93.0; Mounting Method: TERMINAL. 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.