The Attenuator,variable, cataloged under National Stock Number 5985-00-934-0153, is classified within Federal Supply Class 5985 (Antennas, Waveguides, and Related Equipment) of the Electrical and Electronic Equipment Components group. Government technical data includes 21 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-00-934-0153 |
| Item Name | Attenuator,variable |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Status | ACTIVE |
| Shaft Type | ROUND, FLATTED |
| Insertion Loss at Minimum Attenuation in Maximum Decibels | 6.0 |
| Impedance Rating in Ohms | 50.0 INPUT-OUTPUT |
| Mounting Facility Type and Quantity | 2 THREADED BUSHING |
| Frequency Range | 0.000 HERTZ MINIMUM AND 300.000 MEGAHERTZ MAXIMUM |
| Shaft Diameter | 0.237 INCHES NOMINAL IN |
| Body Style | COAXIAL TYPE |
| Adjustment Device Type and Quantity | 1 SHAFT |
| First Flat Length | 0.340 INCHES NOMINAL IN |
| Overall Attenuation Range in Decibels | +0.0 TO 65.0 |
| Voltage Standing Wave Ratio | 1.50 |
| Mounting Facility Screw Thread Series Designator | UNF |
| Attenuation Variation Method | CONTINUOUS |
| Mounting Thread Quantity | 24 PER INCH |
| Shaft Length | 1.090 INCHES MINIMUM AND 1.150 INCHES MAXIMUM IN |
| Mounting Facility Nominal Screw Thread Diameter | 0.375 INCHES IN |
| Application Design | TRANSMISSION LINE |
| Terminal Type and Quantity | 2 CONNECTOR, COAXIAL, FEMALE |
| Power Rating | 100.0 MILLIWATTS PEAK |
| Flat Height | 0.216 INCHES MINIMUM AND 0.225 INCHES MAXIMUM IN |
| Coaxial Connector Series Designation | BNC |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 80969 | 3/2 Design control — primary reference U.S. Government activity |
| CA-50/50 | 5/9 Secondary reference Trilithic, Inc. |
NSN 5985-00-934-0153 is a Attenuator,variable, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 6150-01-630-8527. Verify interchangeability with system specifications before substitution.
Key specifications for 5985-00-934-0153: Shaft Type: ROUND, FLATTED; Insertion Loss at Minimum Attenuation in Maximum Decibels: 6.0; Impedance Rating in Ohms: 50.0 INPUT-OUTPUT; Mounting Facility Type and Quantity: 2 THREADED BUSHING. 21 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 5985-00-934-0153 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.