The Attenuator,variable, cataloged under National Stock Number 5985-00-481-1170, 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 Trilithic, Inc.. Government technical data includes 22 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-00-481-1170 |
| Primary Part Number | RA53 |
| Item Name | Attenuator,variable |
| FSC / FSG | 5985 / 59 — No Item Name Available |
| Manufacturer | Trilithic, Inc. |
| Status | ACTIVE |
| Attenuation Per Step in Decibels | 0.1 |
| Power Rating | 1.0 WATTS AVERAGE |
| Body Style | COAXIAL TYPE |
| Attenuation Variation Method | STEPPED |
| Terminal Type and Quantity | 2 CONNECTOR, COAXIAL, FEMALE |
| FSC Application Data | ANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT |
| Mounting Facility Pattern | TWO POSITION IN-LINE |
| Mounting Facility Screw Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Frequency Range | 0.000 HERTZ MINIMUM AND 500.000 MEGAHERTZ MAXIMUM |
| Distance Between Mounting Facility Centers | 1.125 INCHES NOMINAL IN |
| Step Position Quantity | 10 |
| Mounting Thread Quantity | 32 PER INCH |
| Mounting Facility Type and Quantity | 2 THREADED HOLE(S) |
| Coaxial Connector Series Designation | BNC |
| Application Design | TRANSMISSION LINE |
| Mounting Facility Nominal Screw Thread Diameter | 0.164 INCHES IN |
| Overall Attenuation Accuracy in Decibels | -0.03 TO 0.03 |
| Overall Attenuation Range in Decibels | +0.0 TO 1.0 |
| Impedance Rating in Ohms | 50.0 INPUT-OUTPUT |
| Voltage Standing Wave Ratio | 1.10 |
| Insertion Loss at Minimum Attenuation in Maximum Decibels | 0.6 |
| Adjustment Device Type and Quantity | 1 KNOB W/DIAL |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 5985-00-481-1170 is a Attenuator,variable, manufactured by Trilithic, Inc., classified under FSC 5985 (No Item Name Available). Status: active.
NSN 5985-00-481-1170 has 2 cross-referenced part numbers: RA53 (Trilithic, Inc.), RA-53BNC (Trilithic, Inc.).
There is 1 known substitute for 5985-00-481-1170: 2240-00-377-2024. Verify interchangeability with system specifications before substitution.
Key specifications for RA53: Overall Height: 2.594 INCHES NOMINAL IN; Attenuation Per Step in Decibels: 0.1; Overall Length: 3.000 INCHES NOMINAL IN; Power Rating: 1.0 WATTS AVERAGE. 25 total characteristics are documented in the Federal Logistics Information System.