The Attenuator,variable, cataloged under National Stock Number 5985-00-665-4910, is classified within Federal Supply Class 5985 (Antennas, Waveguides, and Related Equipment) of the Electrical and Electronic Equipment Components group. Government technical data includes 24 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-00-665-4910 |
| Item Name | Attenuator,variable |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Status | ACTIVE |
| Insertion Loss at Minimum Attenuation in Maximum Decibels | 0.2 |
| Impedance Rating in Ohms | 51.0 INPUT-OUTPUT |
| Mounting Facility Type and Quantity | 2 THREADED HOLE(S) |
| FSC Application Data | TEST SET EXCEPT SPECIALLY DESIGNED |
| Frequency Range | 95.000 MEGAHERTZ MINIMUM AND 1.225 GIGAHERTZ MAXIMUM |
| Body Style | COAXIAL TYPE |
| Attenuation Accuracy Reference Frequency | 3.2 GIGAHERTZ |
| Mounting Facility Pattern | TWO POSITION IN-LINE |
| Adjustment Device Type and Quantity | 1 KNOB |
| Overall Attenuation Range in Decibels | +27.0 TO 127.0 |
| Voltage Standing Wave Ratio | 1.25 |
| Mounting Facility Screw Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Overall Attenuation Accuracy in Decibels | -2.50 TO 2.50 |
| Scale Linearity | LINEAR |
| Attenuation Variation Method | CONTINUOUS |
| Distance Between Mounting Facility Centers | 2.000 INCHES NOMINAL IN |
| Mounting Thread Quantity | 32 PER INCH |
| Body Material | COPPER ALLOY |
| Mounting Facility Nominal Screw Thread Diameter | 0.164 INCHES IN |
| Operating Temp Range | -40.0 TO 85.0 CELSIUS DEGC |
| Application Design | WAVEGUIDE |
| Terminal Type and Quantity | 2 TAB, SOLDER LUG |
| Power Rating | 500.0 MILLIWATTS PEAK |
| Coaxial Connector Series Designation | BNC |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| D51746 | 3/9 Design control — primary reference Mutron Corp |
| D51746 | 5/9 Secondary reference U.S. Government activity |
| D851746 | 5/2 Secondary reference U.S. Government activity |
NSN 5985-00-665-4910 is a Attenuator,variable, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
Key specifications for 5985-00-665-4910: Insertion Loss at Minimum Attenuation in Maximum Decibels: 0.2; Impedance Rating in Ohms: 51.0 INPUT-OUTPUT; Mounting Facility Type and Quantity: 2 THREADED HOLE(S); Overall Height: 2.250 INCHES NOMINAL IN. 24 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 5985-00-665-4910 has DEMIL Code B. 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.