The Attenuator,variable, cataloged under National Stock Number 5985-00-407-2035, 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 Crane Electronics, 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. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-00-407-2035 |
| Primary Part Number | 131-3101 |
| Item Name | Attenuator,variable |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Crane Electronics, Inc. |
| Status | ACTIVE |
| Shaft Type | ROUND, FLATTED |
| Bushing Length | 0.375 INCHES NOMINAL IN |
| Impedance Rating in Ohms | 150.0 INPUT AND 1230.0 OUTPUT |
| Body Diameter | 1.297 INCHES NOMINAL IN |
| Mounting Facility Type and Quantity | 1 THREADED BUSHING |
| Shaft Diameter | 0.249 INCHES NOMINAL IN |
| Body Style | CYLINDRICAL W/SIDE TERMINALS |
| Adjustment Device Type and Quantity | 2 SHAFT |
| First Flat Length | 0.344 INCHES NOMINAL IN |
| Overall Attenuation Range in Decibels | +0.0 TO 40.0 |
| Mounting Facility Screw Thread Series Designator | UNEF |
| Overall Attenuation Accuracy in Decibels | -2.00 TO 2.00 |
| Attenuation Variation Method | CONTINUOUS |
| Mounting Thread Quantity | 32 PER INCH |
| Shaft Length | 0.937 INCHES NOMINAL IN |
| Body Length | 1.297 INCHES MAXIMUM IN |
| Mounting Facility Nominal Screw Thread Diameter | 0.375 INCHES IN |
| Operating Temp Range | -55.0 TO 120.0 CELSIUS DEGC |
| Application Design | TRANSMISSION LINE |
| Terminal Type and Quantity | 4 TAB, SOLDER LUG |
| Power Rating | 2.0 WATTS PEAK |
| Flat Height | 0.218 INCHES NOMINAL IN |
| 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 |
|---|---|
| 131-3101 PRIMARY | Crane Electronics, Inc. (USA) |
NSN 5985-00-407-2035 is a Attenuator,variable, manufactured by Crane Electronics, Inc., classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-00-407-2035 has 1 manufacturer part number on file: 131-3101 (Crane Electronics, Inc.).
2 possible matches (shared part number, not a government interchangeability claim): 1660-01-107-2678, 5970-01-332-8831. Verify interchangeability with system specifications before substitution.
Key specifications for 131-3101: Shaft Type: ROUND, FLATTED; Bushing Length: 0.375 INCHES NOMINAL IN; Impedance Rating in Ohms: 150.0 INPUT AND 1230.0 OUTPUT; Body Diameter: 1.297 INCHES NOMINAL IN. 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.