The Attenuator,variable, cataloged under National Stock Number 5985-00-604-2901, 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 Instruments and Flight Research, Inc.. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-00-604-2901 |
| Primary Part Number | 527721-6 |
| Item Name | Attenuator,variable |
| FSC / FSG | 5985 / 59 — No Item Name Available |
| Manufacturer | Instruments and Flight Research, Inc. |
| Status | ACTIVE |
| Shaft Length | 1.156 INCHES NOMINAL IN |
| Impedance Rating in Ohms | 15.0 INPUT-OUTPUT |
| Adjustment Device Type and Quantity | 1 SHAFT |
| Mounting Thread Quantity | 32.0 PER INCH |
| Terminal Type and Quantity | 6 TAB, SOLDER LUG |
| Power Rating | 4.0 WATTS AVERAGE |
| Mounting Facility Screw Thread Series Designator | UNEF |
| Shaft Type | ROUND |
| Mounting Facility Nominal Screw Thread Diameter | 0.375 INCHES IN |
| Mounting Facility Type and Quantity | 1 THREADED BUSHING |
| Attenuation Variation Method | CONTINUOUS |
| FSC Application Data | ANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT |
| Shaft Diameter | 0.250 INCHES NOMINAL IN |
| Body Length | 1.125 INCHES NOMINAL IN |
| Application Design | AUDIO |
| Body Style | CYLINDRICAL W/SIDE TERMINALS |
| Body Diameter | 1.625 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| L15 | Mallory Controls Co Sub of Emhart Industries Inc (USA) |
| 527721-6 PRIMARY | Instruments and Flight Research, Inc. (USA) |
| JA 1N056S353BA | Vishay Dale Electronics, Inc. (USA) |
NSN 5985-00-604-2901 is a Attenuator,variable, manufactured by Instruments and Flight Research, Inc., classified under FSC 5985 (No Item Name Available). Status: active.
NSN 5985-00-604-2901 has 3 cross-referenced part numbers: L15 (Mallory Controls Co Sub of Emhart Industries Inc), 527721-6 (Instruments and Flight Research, Inc.), JA 1N056S353BA (Vishay Dale Electronics, Inc.).
There are 10 known substitutes for 5985-00-604-2901: 5910-00-112-3435, 3120-00-148-7743, 4720-00-164-3942 and 7 more. Verify interchangeability with system specifications before substitution.
Key specifications for 527721-6: Shaft Length: 1.156 INCHES NOMINAL IN; Overall Width: 2.031 INCHES NOMINAL IN; Impedance Rating in Ohms: 15.0 INPUT-OUTPUT; Adjustment Device Type and Quantity: 1 SHAFT. 20 total characteristics are documented in the Federal Logistics Information System.