The Attenuator,fixed, cataloged under National Stock Number 5985-01-310-9415, 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 Therm-O-Disc Inc Sub of Emerson Electric Co. Government technical data includes 14 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-310-9415 |
| Primary Part Number | 523F-20 |
| Item Name | Attenuator,fixed |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Therm-O-Disc Inc Sub of Emerson Electric Co |
| Status | ACTIVE |
| Frequency Range | 0.000 GIGAHERTZ MINIMUM AND 18.000 GIGAHERTZ MAXIMUM |
| Body Style | ROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACE |
| Overall Diameter | 0.300 INCHES NOMINAL IN |
| Voltage Standing Wave Ratio | 1.07 |
| Input Impedance Rating in Ohms | 50.0 |
| Mounting Method | FLANGE WITH MOUNTING HOLE |
| Rf Signal Attenuation in Decibels | 20.0 |
| Attenuation Accuracy in Decibels | -0.50 TO 0.50 |
| Unthreaded Mounting Hole Diameter | 0.102 INCHES NOMINAL IN |
| Operating Temp Range | -65.0 TO 125.0 CELSIUS DEGC |
| Voltage Standing Wave Ratio Frequency Range | +0.0 TO 18.0 GIGAHERTZ |
| Application Design | WAVEGUIDE |
| Power Rating | 2.0 WATTS AVERAGE |
| Output Impedance Rating in Ohms | 50.0 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 523F-20 PRIMARY | Therm-O-Disc Inc Sub of Emerson Electric Co (USA) |
NSN 5985-01-310-9415 is a Attenuator,fixed, manufactured by Therm-O-Disc Inc Sub of Emerson Electric Co, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-310-9415 has 1 manufacturer part number on file: 523F-20 (Therm-O-Disc Inc Sub of Emerson Electric Co).
Key specifications for 523F-20: Frequency Range: 0.000 GIGAHERTZ MINIMUM AND 18.000 GIGAHERTZ MAXIMUM; Body Style: ROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACE; Overall Diameter: 0.300 INCHES NOMINAL IN; Voltage Standing Wave Ratio: 1.07. 14 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 5985-01-310-9415 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.