The Attenuator,variable, cataloged under National Stock Number 5985-00-257-6791, is classified within Federal Supply Class 5985 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Cts Corp Electromechanical Div. Government technical data includes 20 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-00-257-6791 |
| Primary Part Number | 18057 |
| Item Name | Attenuator,variable |
| FSC / FSG | 5985 / 59 — No Item Name Available |
| Manufacturer | Cts Corp Electromechanical Div |
| Status | ACTIVE |
| Power Rating | 2.0 WATTS AVERAGE |
| Shaft Diameter | 0.250 INCHES NOMINAL IN |
| Impedance Rating in Ohms | 600.0 INPUT-OUTPUT |
| Terminal Type and Quantity | 6 TAB, SOLDER LUG |
| Adjustment Device Type and Quantity | 1 SHAFT |
| Overall Attenuation Range in Decibels | +0.0 TO 40.0 |
| Attenuation Variation Method | CONTINUOUS |
| Body Style | CYLINDRICAL W/SIDE TERMINALS |
| Mounting Facility Nominal Screw Thread Diameter | 0.375 INCHES IN |
| Schematic Diagram Designator | UNBALANCED "LL" |
| Body Diameter | 1.250 INCHES NOMINAL IN |
| Body Length | 1.250 INCHES NOMINAL IN |
| Mounting Facility Type and Quantity | 1 THREADED BUSHING |
| Overall Attenuation Accuracy in Decibels | -2.00 TO 2.00 |
| Mounting Facility Screw Thread Series Designator | UNEF |
| Shaft Type | ROUND |
| Bushing Length | 0.375 INCHES NOMINAL IN |
| Mounting Thread Quantity | 32 PER INCH |
| Shaft Length | 0.984 INCHES NOMINAL IN |
| Application Design | AUDIO |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 5985-00-257-6791 is a Attenuator,variable, manufactured by Cts Corp Electromechanical Div, classified under FSC 5985 (No Item Name Available). Status: active.
NSN 5985-00-257-6791 has 4 cross-referenced part numbers: 18057 (American Measuring Instruments Corp), 18057 (Cts Corp), 18057 (Cts Corp Electromechanical Div), 18057 (Kay Elemetrics Corporation).
There are 4 known substitutes for 5985-00-257-6791: 5133-00-189-9302, 6240-01-344-4821, 5905-01-396-7565 and 1 more. Verify interchangeability with system specifications before substitution.
Key specifications for 18057: Power Rating: 2.0 WATTS AVERAGE; Shaft Diameter: 0.250 INCHES NOMINAL IN; Impedance Rating in Ohms: 600.0 INPUT-OUTPUT; Terminal Type and Quantity: 6 TAB, SOLDER LUG. 22 total characteristics are documented in the Federal Logistics Information System.