The Attenuator,variable, cataloged under National Stock Number 5985-01-548-2098, 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 Alan Industries Inc. Government technical data includes 20 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5985-01-548-2098 |
| Primary Part Number | 50SDV19-2173 |
| Item Name | Attenuator,variable |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Alan Industries Inc |
| Status | ACTIVE |
| Insertion Loss at Minimum Attenuation in Maximum Decibels | 0.5 |
| Impedance Rating in Ohms | 50.0 INPUT-OUTPUT |
| Body Diameter | 1.300 INCHES NOMINAL IN |
| Mounting Facility Type and Quantity | 4 UNTHREADED HOLE(S) |
| Frequency Range | 1.000 GIGAHERTZ MINIMUM AND 1.500 GIGAHERTZ MAXIMUM |
| Body Style | CYLINDRICAL W/SIDE TERMINALS |
| Mounting Facility Pattern | TWO POSITION IN-LINE |
| Adjustment Device Type and Quantity | 1 KNOB |
| Overall Attenuation Range in Decibels | +0.0 TO 19.0 |
| Voltage Standing Wave Ratio | 1.50 |
| Unthreaded Mounting Hole Diameter | 0.138 INCHES NOMINAL IN |
| Attenuation Per Step in Decibels | 1.0 |
| Attenuation Variation Method | STEPPED |
| Distance Between Mounting Facility Centers | 0.875 INCHES NOMINAL IN |
| Body Length | 3.575 INCHES NOMINAL IN |
| Application Design | TRANSMISSION LINE |
| Terminal Type and Quantity | 2 CONNECTOR, COAXIAL, FEMALE |
| Power Rating | 1.0 WATTS AVERAGE AND 10.0 WATTS PEAK |
| Step Position Quantity | 19 |
| Coaxial Connector Series Designation | SMA |
| 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 |
|---|---|
| 50SDV19-2173 PRIMARY | Alan Industries Inc (USA) |
| Reference | Meaning |
|---|---|
| A3309215 | D/9 Drawing number reference only U.S. Government activity |
| A3309215-001 | 7/2 Vendor item drawing reference U.S. Government activity |
NSN 5985-01-548-2098 is a Attenuator,variable, manufactured by Alan Industries Inc, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-548-2098 has 1 manufacturer part number on file: 50SDV19-2173 (Alan Industries Inc).
Key specifications for 50SDV19-2173: Insertion Loss at Minimum Attenuation in Maximum Decibels: 0.5; Impedance Rating in Ohms: 50.0 INPUT-OUTPUT; Body Diameter: 1.300 INCHES NOMINAL IN; Mounting Facility Type and Quantity: 4 UNTHREADED HOLE(S). 20 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.
NSN 5985-01-548-2098 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.