The Attenuator,variable, cataloged under National Stock Number 5985-01-418-6124, is classified within Federal Supply Class 5985 (Antennas, Waveguides, and Related Equipment) of the Electrical and Electronic Equipment Components group. Government technical data includes 15 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5985-01-418-6124 |
| Item Name | Attenuator,variable |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Status | ACTIVE |
| Insertion Loss at Minimum Attenuation in Maximum Decibels | 3.8 |
| Mounting Facility Type and Quantity | 4 THREADED HOLE(S) |
| Mounting Thread Tolerance Class | 2B INTERNAL |
| Frequency Range | 900.000 MEGAHERTZ MINIMUM AND 1.200 GIGAHERTZ MAXIMUM |
| Body Style | IRREGULAR |
| Mounting Facility Pattern | FOUR POSITION RECTANGULAR |
| Overall Attenuation Range in Decibels | +0.0 TO 24.0 |
| Voltage Standing Wave Ratio | 1.25 |
| Mounting Facility Screw Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Attenuation Variation Method | CONTINUOUS |
| Mounting Facility Nominal Screw Thread Diameter | 0.112 INCHES IN |
| Application Design | TRANSMISSION LINE |
| Terminal Type and Quantity | 2 CONNECTOR, COAXIAL, FEMALE AND 9 SOLDER STUD |
| Power Rating | 1.0 WATTS AVERAGE AND 50.0 WATTS PEAK |
| Coaxial Connector Series Designation | SMA |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 8803300016-1 | 5/9 Secondary reference Navcom Defense Electronics, Inc. |
| 5579 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5985-01-418-6124 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): 5995-01-655-3962. Verify interchangeability with system specifications before substitution.
Key specifications for 5985-01-418-6124: Insertion Loss at Minimum Attenuation in Maximum Decibels: 3.8; Mounting Facility Type and Quantity: 4 THREADED HOLE(S); Overall Height: 0.800 INCHES NOMINAL IN; Mounting Thread Tolerance Class: 2B INTERNAL. 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.
NSN 5985-01-418-6124 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.