The Attenuator,variable, cataloged under National Stock Number 5985-00-259-3785, 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 Leica Inc Surveying and Photogrammetry Systems Div. Government technical data includes 14 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government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 | 5985-00-259-3785 |
| Primary Part Number | 15719 |
| Item Name | Attenuator,variable |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Leica Inc Surveying and Photogrammetry Systems Div |
| Status | ACTIVE |
| Bushing Length | 0.375 INCHES NOMINAL IN |
| Impedance Rating in Ohms | 4000.0 INPUT-OUTPUT |
| Body Diameter | 1.875 INCHES NOMINAL IN |
| Overall Attenuation Range in Decibels | +0.0 TO 48.0 |
| Mounting Facility Screw Thread Series Designator | UNEF |
| Attenuation Per Step in Decibels | 3.0 |
| Attenuation Variation Method | STEPPED |
| Schematic Diagram Designator | BALANCED "H" |
| Mounting Thread Quantity | 32 PER INCH |
| Mounting Facility Nominal Screw Thread Diameter | 0.375 INCHES IN |
| Application Design | AUDIO |
| Terminal Type and Quantity | 5 SOLDER STUD |
| Power Rating | 4.5 WATTS AVERAGE |
| Step Position Quantity | 16 |
| 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 |
|---|---|
| 15719 | Leica Inc Surveying and Photogrammetry Systems Div (USA) |
| Reference | Meaning |
|---|---|
| SCD18896 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5985-00-259-3785 is a Attenuator,variable, manufactured by Leica Inc Surveying and Photogrammetry Systems Div, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-00-259-3785 has 1 manufacturer part number on file: 15719 (Leica Inc Surveying and Photogrammetry Systems Div).
4 possible matches (shared part number, not a government interchangeability claim): 4730-00-516-3693, 5330-00-526-7681, 6515-01-582-4072. Verify interchangeability with system specifications before substitution.
Key specifications for 15719: Bushing Length: 0.375 INCHES NOMINAL IN; Impedance Rating in Ohms: 4000.0 INPUT-OUTPUT; Body Diameter: 1.875 INCHES NOMINAL IN; Overall Attenuation Range in Decibels: +0.0 TO 48.0. 14 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.