The Attenuator,variable, cataloged under National Stock Number 5985-00-498-4960, is classified within Federal Supply Class 5985 (Antennas, Waveguides, and Related Equipment) of the Electrical and Electronic Equipment Components group. Government technical data includes 25 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-00-498-4960 |
| Item Name | Attenuator,variable |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Status | ACTIVE |
| Shaft Type | ROUND, SLOTTED |
| Insertion Loss at Minimum Attenuation in Maximum Decibels | 0.05 |
| Bushing Length | 0.375 INCHES NOMINAL IN |
| Impedance Rating in Ohms | 600.0 INPUT-OUTPUT |
| Body Diameter | 1.156 INCHES NOMINAL IN |
| Mounting Facility Type and Quantity | 1 THREADED BUSHING |
| Frequency Range | 0.000 GIGAHERTZ MINIMUM AND 1.000 GIGAHERTZ MAXIMUM |
| Shaft Diameter | 0.250 INCHES NOMINAL IN |
| Body Style | CYLINDRICAL W/SIDE TERMINALS |
| Segment Attenuation Accuracy in Decibels | -1.00 TO 1.00 |
| Adjustment Device Type and Quantity | 1 SHAFT |
| Overall Attenuation Range in Decibels | +0.0 TO 54.0 |
| Segment Attenuation Range in Decibels | +0.00 TO 54.00 |
| Mounting Facility Screw Thread Series Designator | UNEF |
| Overall Attenuation Accuracy in Decibels | -1.00 TO 1.00 |
| Attenuation Variation Method | CONTINUOUS |
| Schematic Diagram Designator | BRIDGED "T" |
| Mounting Thread Quantity | 32 PER INCH |
| Shaft Length | 3.188 INCHES NOMINAL IN |
| Body Length | 1.266 INCHES NOMINAL IN |
| Mounting Facility Nominal Screw Thread Diameter | 0.375 INCHES IN |
| Operating Temp Range | -55.0 TO 120.0 CELSIUS DEGC |
| Application Design | AUDIO |
| Terminal Type and Quantity | 6 TAB, SOLDER LUG |
| Power Rating | 5.0 WATTS AVERAGE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 561C31-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5985-00-498-4960 is a Attenuator,variable, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
Key specifications for 5985-00-498-4960: Shaft Type: ROUND, SLOTTED; Insertion Loss at Minimum Attenuation in Maximum Decibels: 0.05; Bushing Length: 0.375 INCHES NOMINAL IN; Impedance Rating in Ohms: 600.0 INPUT-OUTPUT. 25 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 5985-00-498-4960 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.