The Attenuator,variable, cataloged under National Stock Number 5985-01-113-4183, is classified within Federal Supply Class 5985 (Antennas, Waveguides, and Related Equipment) of the Electrical and Electronic Equipment Components group. Government technical data includes 13 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-113-4183 |
| Item Name | Attenuator,variable |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Status | ACTIVE |
| Insertion Loss at Minimum Attenuation in Maximum Decibels | 1.1 |
| Mounting Facility Type and Quantity | 2 THREADED HOLE(S) |
| Shaft Diameter | 0.125 INCHES NOMINAL IN |
| Mounting Facility Pattern | TWO POSITION IN-LINE |
| Overall Diameter | 1.350 INCHES MAXIMUM IN |
| Mounting Facility Screw Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Distance Between Mounting Facility Centers | 0.750 INCHES NOMINAL IN |
| Mounting Thread Quantity | 32 PER INCH |
| Mounting Facility Nominal Screw Thread Diameter | 0.138 INCHES IN |
| Operating Temp Range | -57.0 TO 70.0 CELSIUS DEGC |
| Application Design | TRANSMISSION LINE |
| Terminal Type and Quantity | 2 CONNECTOR, COAXIAL, FEMALE |
| Coaxial Connector Series Designation | SMA |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 77C716234P002 | 7/2 Vendor item drawing reference Lockheed Martin Corporation Div Rms |
| MA-242 | 3/9 Design control — primary reference Trilithic, Inc. |
NSN 5985-01-113-4183 is a Attenuator,variable, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
Key specifications for 5985-01-113-4183: Insertion Loss at Minimum Attenuation in Maximum Decibels: 1.1; Mounting Facility Type and Quantity: 2 THREADED HOLE(S); Shaft Diameter: 0.125 INCHES NOMINAL IN; Mounting Facility Pattern: TWO POSITION IN-LINE. 13 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.