The Attenuator,variable, cataloged under National Stock Number 5985-00-137-4328, 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 22 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-00-137-4328 |
| Primary Part Number | 33008C-H01 |
| Item Name | Attenuator,variable |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Keysight Technologies Inc |
| Status | ACTIVE |
| Shaft Type | ROUND |
| Insertion Loss at Minimum Attenuation in Maximum Decibels | 2.3 |
| Impedance Rating in Ohms | 50.0 INPUT-OUTPUT |
| Mounting Facility Type and Quantity | 4 UNTHREADED HOLE(S) |
| Frequency Range | 4.000 GIGAHERTZ MINIMUM AND 8.000 GIGAHERTZ MAXIMUM |
| Shaft Diameter | 0.250 INCHES NOMINAL IN |
| Body Style | COAXIAL TYPE |
| Mounting Facility Pattern | FOUR POSITION RECTANGULAR |
| Adjustment Device Type and Quantity | 1 SHAFT |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 4.000 INCHES NOMINAL IN |
| Overall Attenuation Range in Decibels | +2.3 TO 40.0 |
| Voltage Standing Wave Ratio | 2.00 |
| Unthreaded Mounting Hole Diameter | 0.147 INCHES NOMINAL IN |
| Attenuation Variation Method | CONTINUOUS |
| Shaft Length | 0.500 INCHES NOMINAL IN |
| Body Material | ALUMINUM |
| Operating Temp Range | +0.0 TO 60.0 CELSIUS DEGC |
| Center to Center Distance Between Mounting Facilities Parallel to Width | 1.000 INCHES NOMINAL IN |
| Application Design | TRANSMISSION LINE |
| Terminal Type and Quantity | 3 CONNECTOR, COAXIAL, FEMALE |
| Power Rating | 2.0 WATTS AVERAGE |
| Coaxial Connector Series Designation | BN |
| 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 |
|---|---|
| 33008C-H01 | Keysight Technologies Inc (USA) |
| Reference | Meaning |
|---|---|
| 33008C-H01 | 5/9 Secondary reference Keysight Technologies, Inc. |
| 33008C-H01 | 5/9 Secondary reference Hewlett-Packard Company Dba HP |
| 20-807247-1 | 3/9 Design control — primary reference General Dynamics Advanced Information Systems Inc. Dba General Dynamics Advanced Information Systems |
NSN 5985-00-137-4328 is a Attenuator,variable, manufactured by Keysight Technologies Inc, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-00-137-4328 has 1 manufacturer part number on file: 33008C-H01 (Keysight Technologies Inc).
Key specifications for 33008C-H01: Shaft Type: ROUND; Insertion Loss at Minimum Attenuation in Maximum Decibels: 2.3; Impedance Rating in Ohms: 50.0 INPUT-OUTPUT; Mounting Facility Type and Quantity: 4 UNTHREADED HOLE(S). 22 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.