The Attenuator,fixed, cataloged under National Stock Number 5985-01-522-2975, 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 Anritsu Company. Government technical data includes 8 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-522-2975 |
| Primary Part Number | 41KC-20 |
| Item Name | Attenuator,fixed |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Anritsu Company |
| Status | ACTIVE |
| Body Style | ROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACE |
| Overall Diameter | 4.0 MILLIMETERS NOMINAL MM |
| Rf Signal Attenuation in Decibels | 20.0 |
| Operating Temp Range | -55.0 TO 85.0 CELSIUS DEGC |
| Application Design | WAVEGUIDE |
| Material | STEEL CORROSION RESISTING BODY |
| Terminal Type and Quantity | 2 CONNECTOR |
| Coaxial Connector Series Designation | SMA |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
NSN 5985-01-522-2975 is a Attenuator,fixed, manufactured by Anritsu Company, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-522-2975 has 2 manufacturer part numbers on file: 41KC-20 (Anritsu Company), 41KC-20 (Anritsu Pty Ltd).
Key specifications for 41KC-20: Body Style: ROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACE; Overall Diameter: 4.0 MILLIMETERS NOMINAL MM; Rf Signal Attenuation in Decibels: 20.0; Overall Length: 28.8 MILLIMETERS NOMINAL MM. 8 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 5985-01-522-2975 has DEMIL Code B. 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.