The Attenuator,variable, cataloged under National Stock Number 5985-00-677-4432, is classified within Federal Supply Class 5985 (Antennas, Waveguides, and Related Equipment) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Keysight Technologies Inc. Government technical data includes 15 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-00-677-4432 |
| Primary Part Number | 65A34 |
| Item Name | Attenuator,variable |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Keysight Technologies Inc |
| Status | ACTIVE |
| Bushing Length | 0.500 INCHES NOMINAL IN |
| Impedance Rating in Ohms | 600.0 INPUT-OUTPUT |
| Mounting Facility Type and Quantity | 1 THREADED BUSHING |
| Frequency Range | 0.000 MEGAHERTZ MINIMUM AND 10.000 MEGAHERTZ MAXIMUM |
| Overall Diameter | 2.312 INCHES NOMINAL IN |
| Overall Attenuation Range in Decibels | -40.0 TO 10.0 |
| Mounting Facility Screw Thread Series Designator | UNEF |
| Attenuation Per Step in Decibels | 10.0 |
| Attenuation Variation Method | STEPPED |
| Mounting Thread Quantity | 32 PER INCH |
| Mounting Facility Nominal Screw Thread Diameter | 0.375 INCHES IN |
| Application Design | TRANSMISSION LINE |
| Terminal Type and Quantity | 4 WIRE LEAD |
| Power Rating | 1.0 WATTS AVERAGE |
| Step Position Quantity | 5 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 8495134 | Us Army Aviation and Missile Command (USA) |
| 65A34 PRIMARY | Keysight Technologies Inc (USA) |
| Reference | Meaning |
|---|---|
| 65A34 | 3/9 Design control — primary reference Keysight Technologies, Inc. |
| 65A34 | 5/9 Secondary reference Hewlett-Packard Company Dba HP |
NSN 5985-00-677-4432 is a Attenuator,variable, manufactured by Keysight Technologies Inc, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-00-677-4432 has 2 manufacturer part numbers on file: 8495134 (Us Army Aviation and Missile Command), 65A34 (Keysight Technologies Inc).
Key specifications for 65A34: Bushing Length: 0.500 INCHES NOMINAL IN; Impedance Rating in Ohms: 600.0 INPUT-OUTPUT; Mounting Facility Type and Quantity: 1 THREADED BUSHING; Frequency Range: 0.000 MEGAHERTZ MINIMUM AND 10.000 MEGAHERTZ MAXIMUM. 15 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.
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.