The Attenuator,variable, cataloged under National Stock Number 5985-00-257-9484, is classified within Federal Supply Class 5985 (Antennas, Waveguides, and Related Equipment) of the Electrical and Electronic Equipment Components group. Government technical data includes 23 specifications, cited from the U.S. Government catalog. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-00-257-9484 |
| Item Name | Attenuator,variable |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Status | ACTIVE |
| Shaft Type | ROUND |
| Impedance Rating in Ohms | 75.0 INPUT-OUTPUT |
| Mounting Facility Type and Quantity | 2 THREADED HOLE(S) |
| Frequency Range | 0.000 KILOHERTZ MINIMUM AND 70.000 KILOHERTZ MAXIMUM |
| Shaft Diameter | 0.247 INCHES MINIMUM AND 0.249 INCHES MAXIMUM IN |
| Body Style | CYLINDRICAL W/REAR TERMINALS |
| Mounting Facility Pattern | TWO POSITION IN-LINE |
| Overall Diameter | 2.749 INCHES MAXIMUM IN |
| Overall Attenuation Range in Decibels | +0.0 TO 29.0 |
| Mounting Facility Screw Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Overall Attenuation Accuracy in Decibels | -0.145 TO 0.145 |
| Attenuation Per Step in Decibels | 1.0 |
| Attenuation Variation Method | STEPPED |
| Distance Between Mounting Facility Centers | 1.500 INCHES NOMINAL IN |
| Mounting Thread Quantity | 32 PER INCH |
| Shaft Length | 0.938 INCHES NOMINAL IN |
| Body Length | 2.125 INCHES NOMINAL IN |
| Mounting Facility Nominal Screw Thread Diameter | 0.164 INCHES IN |
| Operating Temp Range | -65.0 TO 175.0 FAHRENHEIT DEGF |
| Application Design | TRANSMISSION LINE |
| Terminal Type and Quantity | 6 TAB, SOLDER LUG |
| Power Rating | 2.0 WATTS AVERAGE |
| Step Position Quantity | 30 |
| 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 |
|---|---|
| C-5236-A | 5/9 Secondary reference U.S. Government activity |
| A.5236-A | 5/9 Secondary reference U.S. Government activity |
| SCC66229-1 | 3/2 Design control — primary reference U.S. Government activity |
| GA51812L1 | 5/9 Secondary reference American Telephone and Telegraph Co |
| A.5236-A | C/1 Advisory reference — outside the item-of-supply concept Multi-Tech Industries Inc. |
NSN 5985-00-257-9484 is a Attenuator,variable, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
Key specifications for 5985-00-257-9484: Shaft Type: ROUND; Impedance Rating in Ohms: 75.0 INPUT-OUTPUT; Mounting Facility Type and Quantity: 2 THREADED HOLE(S); Frequency Range: 0.000 KILOHERTZ MINIMUM AND 70.000 KILOHERTZ MAXIMUM. 23 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 5985-00-257-9484 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.